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EC number: 202-577-6 | CAS number: 97-39-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data

Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010-2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Deviations:
- no
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): DOTG C -oiled grad
- Substance type: organic
- Physical state: solid
- Analytical purity:> 97% see COA
- additive :1-2% oil
- Impurities (identity and concentrations): see COA
- Purity test date: 08/11/2010 and 21/01/2011
- Lot/batch No.: 10111460738 and 11011461153
- Expiration date of the lot/batch: 7/11/2012 and 20/01/2013
- Stability under test conditions: 2 years
- Storage condition of test material: closed in a plastic bag - Percentile:
- D50
- Mean:
- ca. 33 µm
- Remarks on result:
- other: D(4,3)(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
- Percentile:
- D10
- Mean:
- ca. 7.19 µm
- St. dev.:
- 1.52
- Remarks on result:
- other: measured on 2 different batches
- Percentile:
- D90
- Mean:
- ca. 66.91 µm
- St. dev.:
- 4.63
- Remarks on result:
- other: measured on 2 different batches
- No.:
- #1
- Size:
- > 10 µm
- Distribution:
- ca. 14.86 %
- Remarks on result:
- other: measured on 2 different batches
- No.:
- #2
- Size:
- > 60 µm
- Distribution:
- ca. 86.86 %
- Remarks on result:
- other: measured on 2 different batches
- Conclusions:
- The mean particle size, number in volume, of DOTG C test item, is determined to be 33 µm, with 10% of particles presenting a diameter less than 7µm, and 10% of particles presenting a diameter larger than 67µm.
- Executive summary:
A study was performed in order to investigate the particle size distribution (granulometry) on 2 batchs of the test substance oiled DOTG C (1,3 -di-tolylguanidine). The study was conducted according to ISO 13320- 1 “International standard for Laser Diffraction Measurements – Principles of Laser diffraction” and in accordance with OECD Test Guideline 110. The mean particle size, number in volume, of DOTG C test item, is determined to be 33 µm, with 10% of particles presenting a diameter less than 7µm, and 10% of particles presenting a diameter larger than 67µm.
Reference
Mean values are listed in the table below. The samples are different in granulometry.
Batch number |
obscuration |
D(0,1) |
D(4,3) |
D(0.9) |
D<10 um |
D < 60 um |
span |
10111460738 |
23,49 |
7,73 |
32,35 |
61,98 |
12,81 |
89,01 |
0,13 |
|
17,11 |
9,06 |
33,89 |
64,24 |
11,18 |
87,68 |
0,14 |
11011461153 |
15,96 |
5,64 |
32,15 |
69,35 |
18,71 |
86,07 |
0,11 |
|
15,87 |
6,33 |
33,88 |
72,05 |
16,74 |
84,66 |
0,10 |
Medium value |
18,11 |
7,19 |
33,07 |
66,91 |
14,86 |
86,86 |
0,12 |
St deviation |
3,63 |
1,52 |
0,95 |
4,61 |
3,47 |
1,89 |
0,02 |
|
|
21,17% |
2,87% |
6,89% |
23,34% |
2,18% |
|
Description of key information
The mean particle size, number in volume, of DOTG C test item, is determined to be 33 µm, with 10% of particles presenting a diameter less than 7µm, and 10% of particles presenting a diameter larger than 67µm.
Additional information
A study was performed at Laboratoire Qualité & Soutien Exploitation de MLPC International to investigate the particle size distribution (granulometry) on 2 batchs of the test substance EKALAND DOTG C (1,3 -di-tolylguanidine). The study was conducted according to ISO 13320- 1 “International standard for Laser Diffraction Measurements – Principles of Laser diffraction” and in accordance with OECD Test Guideline 110. The mean particle size, number in volume, of DOTG C test item, is determined to be 33 µm, with 10% of particles presenting a diameter less than 7µm, and 10% of particles presenting a diameter larger than 67µm.
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