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Diss Factsheets
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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
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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.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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