Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
nanomaterial specific surface area
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Cross-reference
Reason / purpose for cross-reference:
reference to same study
Reference
Endpoint:
nanomaterial porosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: DIN 66133
Version / remarks:
Mercury Porosimetry
Qualifier:
according to guideline
Guideline:
other: DIN 66137-2
Version / remarks:
True Density by He-Pycnometry
GLP compliance:
no
Type of method:
other: Mercury Porosimetry, He-Pycnometry
Instruments:
POREMASTER 60G
Mean:
60 %
Mean:
0.493 cm³/g
Mean:
8 nm

Additionally the true density was determined with a QUANTACHROME Ultrapycnometer 1200e (Helium) was determined to be 3.092 g/cm³

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 9277 Determination of the specific surface area of solids by gas adsorption - BET method
GLP compliance:
no
Type of method:
BET

Test material

Constituent 1
Chemical structure
Reference substance name:
Aluminium oxide
EC Number:
215-691-6
EC Name:
Aluminium oxide
Cas Number:
1344-28-1
Molecular formula:
Al2O3
IUPAC Name:
oxo[(oxoalumanyl)oxy]alumane
Test material form:
solid: nanoform
Specific details on test material used for the study:
form: High surface area alumina (nanofrom)

Data gathering

Instruments:
QUANTACHROME NOVA 3000e

Results and discussion

Specific surface area
Specific Surface Area:
208 m²/g

Any other information on results incl. tables

Slope = 16.583

Intercept = 2.000e-01

Correlation coefficient, r = 0.999990

C constant = 83.918

Surface Area = 207.505 m²/g

Applicant's summary and conclusion