Graphene

Substance identity

Identification

Display Name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Type of Substance

Composition:

mono-constituent substance

Origin:

inorganic

Compositions

Boundary Composition(s)

Graphene_SSNF-1

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Name of set of nanoforms:

Set of Graphene platelets

Cross-reference

Cross-reference 1

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 2

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 3

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 4

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 5

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 6

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 7

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 8

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 9

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 10

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 11

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 12

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 13

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 14

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 15

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 16

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 17

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 18

Reason / purpose:

justification for reporting set of similar nanoforms

Cross-reference 19

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Range:

>= 100 - < 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Range:

>= 2.7 - <= 11.4 nm

Percentile 2

Percentile:

D50

Range:

>= 1.3 - <= 8.4 nm

Percentile 3

Percentile:

D10

Range:

>= 0.33 - <= 6 nm

Percentile 4

Percentile:

D90

Range:

>= 1.8 - <= 20 μm

Percentile 5

Percentile:

D50

Range:

>= 0.49 - <= 10 μm

Percentile 6

Percentile:

D10

Range:

>= 0.1 - <= 3.9 μm

Range of lateral dimension 1:

>= 0.2 - <= 33 μm

Range of lateral dimension 2:

>= 0.1 - <= 31 μm

Range of aspect ratio (:1):

>= 18 - <= 30 000

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of the IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 94 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

no

Range:

>= 22 - <= 100 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

no

Range:

> 0 - < 78 %

Specific surface area

Range of specific surface area:

>= 7 - <= 750 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Legal Entity Composition(s)

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

3.01 nm

Range:

>= 2.67 - <= 3.34 nm

Percentile 2

Percentile:

D50

Typical value:

2 nm

Range:

>= 1.34 - <= 2.34 nm

Percentile 3

Percentile:

D10

Typical value:

0.67 nm

Range:

>= 0.33 - <= 1 nm

Typical lateral dimension 1:

1 000 nm

Range of lateral dimension 1:

>= 700 - <= 2 000 nm

Typical lateral dimension 2:

1 000 nm

Range of lateral dimension 2:

>= 700 - <= 2 000 nm

Typical aspect ratio (:1):

500 :1

Range of aspect ratio (:1):

>= 400 - <= 750

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of the IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

yes

Typical composition:

97.4 %

Range:

>= 90 - <= 100 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

yes

Typical composition:

2.6 %

Range:

>= 0 - <= 10 %

Specific surface area

Typical specific surface area:

14 m²/g

Range of specific surface area:

>= 10 - <= 20 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

This nanoform is covered by a registration:

no

Name of nanoform:

Graphene platelets_1

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D10

Typical value:

1.6 nm

Range:

>= 1.34 - <= 1.91 nm

Percentile 2

Percentile:

D50

Typical value:

4.7 nm

Range:

>= 3.35 - <= 6.37 nm

Percentile 3

Percentile:

D90

Typical value:

13.1 nm

Range:

>= 8.85 - <= 16.58 nm

Typical lateral dimension 1:

2.47 μm

Range of lateral dimension 1:

>= 0.49 - <= 6.61 μm

Typical lateral dimension 2:

2.47 μm

Range of lateral dimension 2:

>= 0.49 - < 6.61 μm

Typical aspect ratio (:1):

700 :1

Range of aspect ratio (:1):

>= 146 - <= 2 028

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

no

Typical composition:

76.52 %

Range:

>= 74.62 - <= 77.59 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

no

Typical composition:

23.48 %

Range:

>= 22.41 - <= 25.38 %

Specific surface area

Typical specific surface area:

44.66 m²/g

Range of specific surface area:

>= 38.41 - <= 54 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

This nanoform is covered by a registration:

no

Name of nanoform:

Graphene platelets_2

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D10

Typical value:

1.38 nm

Range:

>= 1.31 - <= 1.5 nm

Percentile 2

Percentile:

D50

Typical value:

4.21 nm

Range:

>= 3.85 - <= 4.86 nm

Percentile 3

Percentile:

D90

Typical value:

16.25 nm

Range:

>= 9.78 - <= 20.1 nm

Typical lateral dimension 1:

2.96 μm

Range of lateral dimension 1:

>= 0.61 - <= 11.9 μm

Typical lateral dimension 2:

2.96 μm

Range of lateral dimension 2:

>= 0.61 - < 11.9 μm

Typical aspect ratio (:1):

703 :1

Range of aspect ratio (:1):

>= 145 - <= 2 827

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

no

Typical composition:

65.75 %

Range:

>= 61.95 - <= 68.32 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

no

Typical composition:

34.25 %

Range:

>= 31.68 - <= 38.05 %

Specific surface area

Typical specific surface area:

18.37 m²/g

Range of specific surface area:

>= 14.46 - <= 24.45 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

graphene

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene_SSNF-1

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - < 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

4.6 nm

Range:

>= 4 - <= 5 nm

Percentile 2

Percentile:

D50

Typical value:

2.9 nm

Range:

>= 2.7 - <= 3 nm

Percentile 3

Percentile:

D10

Typical value:

1.48 nm

Range:

>= 1.3 - <= 1.6 nm

Percentile 4

Percentile:

D90

Typical value:

6.85 μm

Range:

>= 6 - <= 9 μm

Percentile 5

Percentile:

D50

Typical value:

3.58 μm

Range:

>= 2 - <= 6 μm

Percentile 6

Percentile:

D10

Typical value:

1.65 μm

Range:

>= 0.5 - <= 2 μm

Typical lateral dimension 1:

20.1 μm

Range of lateral dimension 1:

>= 11.99 - <= 30.75 μm

Typical lateral dimension 2:

18.95 μm

Range of lateral dimension 2:

>= 11.33 - <= 32.85 μm

Typical aspect ratio (:1):

1 234.48 :1

Range of aspect ratio (:1):

>= 1 116.55 - <= 1 489.78

Fraction of constituent particles in the size range 1-100 nm:

>= 94 - <= 100 %

Crystallinity

Structures

Structure:

crystalline

Name:

Hexagonal

Pure structure:

yes

Typical composition:

100 %

Range:

>= 22 - <= 100 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Specific surface area

Typical specific surface area:

45 m²/g

Range of specific surface area:

> 35 - < 55 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

TSE - Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Name of set of nanoforms:

Set of Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Range:

>= 2.7 - <= 11.4 nm

Percentile 2

Percentile:

D50

Range:

>= 1.67 - <= 8 nm

Percentile 3

Percentile:

D10

Range:

>= 0.33 - <= 3 nm

Range of lateral dimension 1:

>= 1 - <= 20 μm

Range of lateral dimension 2:

>= 0.5 - <= 15 μm

Range of aspect ratio (:1):

>= 125 - <= 11 976

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of Lead-registrant's IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

yes

Range:

>= 22 - <= 100 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

yes

Range:

>= 0 - <= 78 %

Specific surface area

Range of specific surface area:

>= 180 - <= 600 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

3.33 nm

Range:

>= 2.35 - <= 4.36 nm

Percentile 2

Percentile:

D50

Typical value:

1 nm

Range:

>= 0.67 - <= 1.34 nm

Percentile 3

Percentile:

D10

Typical value:

0.33 nm

Range:

>= 0.33 - <= 0.67 nm

Typical lateral dimension 1:

370 nm

Range of lateral dimension 1:

>= 100 - <= 2 000 nm

Typical lateral dimension 2:

370 nm

Range of lateral dimension 2:

>= 100 - <= 2 000 nm

Typical aspect ratio (:1):

500 :1

Range of aspect ratio (:1):

>= 30 - <= 6 000

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of Lead-registrant's IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagnol

Pure structure:

yes

Typical composition:

>= 98 %

Range:

> 98 - <= 100 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

yes

Typical composition:

< 2 %

Range:

>= 0 - <= 2 %

Specific surface area

Typical specific surface area:

246.9 m²/g

Range of specific surface area:

>= 231.5 - <= 262.3 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

ca. 100 %

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

31.6 μm

Range:

>= 18.5 - <= 40.5 μm

Percentile 2

Percentile:

D50

Typical value:

15.8 μm

Range:

>= 13.5 - <= 17.8 μm

Percentile 3

Percentile:

D10

Typical value:

7.37 μm

Range:

>= 6.69 - <= 9.58 μm

Typical lateral dimension 1:

534.8 nm

Range of lateral dimension 1:

>= 202 - <= 1 243 nm

Typical lateral dimension 2:

370.1 nm

Range of lateral dimension 2:

>= 100 - <= 943 nm

Typical aspect ratio (:1):

3 000 :1

Range of aspect ratio (:1):

>= 250 - <= 30 000

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section.

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of the IUCLID dossier of the Lead-registrant.

Fraction of constituent particles in the size range 1-100 nm:

>= 99 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

amorphous

Name:

Amorphous

Pure structure:

no

Typical composition:

> 1 %

Range:

>= 1 - <= 100 %

Structures 2

Structure:

crystalline

Name:

Organic combination; C30” & “Graphite 2H; C4

Pure structure:

no

Typical composition:

> 1 %

Range:

>= 1 - <= 100 %

Crystal system:

hexagonal

Description:

The shape of the diffractogram gives evidences for a mixture of amorphous and crystalline materials. The crystalline phases in this case are not well developed. The sample consists of the possible crystalline phases:
“Organic combination; C30” & “Graphite 2H; C4”. Traces of “Manganese Carbide C2M5” could also exist because their peaks overlapped the peaks of the organic compound C30.

Specific surface area

Typical specific surface area:

433 m²/g

Range of specific surface area:

>= 380 - <= 460 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

6.33 nm

Range:

>= 5 - <= 8 nm

Percentile 2

Percentile:

D50

Typical value:

3.8 nm

Range:

>= 2.5 - <= 5 nm

Percentile 3

Percentile:

D10

Typical value:

3 nm

Range:

>= 2 - <= 4 nm

Typical lateral dimension 1:

1 010 nm

Range of lateral dimension 1:

>= 110 - <= 10 900 nm

Typical lateral dimension 2:

1 010 nm

Range of lateral dimension 2:

>= 110 - <= 10 900 nm

Typical aspect ratio (:1):

266 :1

Range of aspect ratio (:1):

>= 115 - <= 5 450

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of Lead-registrant's IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

yes

Typical composition:

28 %

Range:

>= 22 - <= 34 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

yes

Typical composition:

72 %

Range:

>= 66 - <= 78 %

Specific surface area

Typical specific surface area:

275 m²/g

Range of specific surface area:

>= 247 - <= 302 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

10.5 nm

Range:

>= 9.14 - <= 11.32 nm

Percentile 2

Percentile:

D50

Typical value:

7.8 nm

Range:

>= 6.1 - <= 8.4 nm

Percentile 3

Percentile:

D10

Typical value:

4.2 nm

Range:

>= 3.07 - <= 6.08 nm

Typical lateral dimension 1:

1 830 nm

Range of lateral dimension 1:

>= 520 - <= 7 910 nm

Typical lateral dimension 2:

1 200 nm

Range of lateral dimension 2:

>= 370 - <= 5 590 nm

Typical aspect ratio (:1):

235 :1

Range of aspect ratio (:1):

>= 85 - <= 942

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of Lead-registrant's IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 100 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

crystalline

Name:

hexagonal

Pure structure:

no

Typical composition:

50 %

Range:

>= 40 - <= 70 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

crystalline

Name:

rhombohedral

Pure structure:

no

Typical composition:

50 %

Range:

>= 30 - <= 60 %

Crystal system:

orthorhombic

Bravais lattice:

primitive hexagonal

Specific surface area

Typical specific surface area:

116 m²/g

Range of specific surface area:

>= 75 - <= 300 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Graphene

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Graphene platelets

Shape

Shape description

Shape category:

platelet

Shape:

plate

Pure shape:

yes

Typical composition:

100 %

Range:

>= 100 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

platelet

Percentile

Percentile 1

Percentile:

D90

Typical value:

3.3 nm

Range:

>= 2.97 - <= 5.23 nm

Percentile 2

Percentile:

D50

Typical value:

2.17 nm

Range:

>= 1.98 - <= 2.38 nm

Percentile 3

Percentile:

D10

Typical value:

1.03 nm

Range:

>= 0.89 - <= 1.56 nm

Typical lateral dimension 1:

583 nm

Range of lateral dimension 1:

>= 492 - <= 623 nm

Typical lateral dimension 2:

583 nm

Range of lateral dimension 2:

>= 492 - <= 623 nm

Typical aspect ratio (:1):

268 :1

Range of aspect ratio (:1):

>= 184 - <= 315

Additional information:

PROVIDE FURTHER INFORMATION ON OTHER MORPHOLOGICAL CHARACTERISATION:

ASSEMBLY STRUCTURE:

The assembly structure of the material is given by the material itself (Graphene platelets) and characteristics are provided in this section and in the analytical section 1.4

RIGIDITY:

Rigidity of graphene platelets is the ability to retain the shape, without damage, when the platelets are subject to mechanical (bending) forces. Rigidity in this sense is a technical property which triggers the necessity of common methods to measure the effects of a defined force on the graphene platelets and then to interpret the corresponding results. There are currently no validated and harmonised methods and guidelines to evaluate the rigidity of the material in a scientific way. AFM-images we evaluated are showing a static state of the platelets. The images show that the platelets are partially buckled (deformed), especially at the corners or that the particles folding to a crumpled napkin like structure. From this static electron microscope images it cannot be concluded whether this deformations are reversible, which would be essential to know when the rigidity of the material should be assessed.

Supporting analytical data like AFM images are provided in Section 1.4 of Lead-registrant's IUCLID dossier.

Fraction of constituent particles in the size range 1-100 nm:

>= 94 - <= 100 %

Crystallinity

Structures

Structures 1

Structure:

partially-crystalline

Name:

hexagonal

Pure structure:

yes

Typical composition:

81 %

Range:

>= 68 - <= 89 %

Crystal system:

hexagonal

Bravais lattice:

primitive hexagonal

Structures 2

Structure:

partially-crystalline

Name:

amorphous

Pure structure:

yes

Typical composition:

11 %

Range:

>= 11 - <= 32 %

Specific surface area

Typical specific surface area:

201.3 m²/g

Range of specific surface area:

>= 77 - <= 245 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Graphene

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

carbon

EC Number:

801-282-5

CAS Number:

1034343-98-0

Molecular formula:

Cx

IUPAC Name:

carbon

Composition(s) generated upon use

Other types of composition(s)