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Diss Factsheets
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EC number: 947-798-5 | CAS number: -
- 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
Repeated dose toxicity: inhalation
Administrative data
- Endpoint:
- short-term repeated dose toxicity: inhalation
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Vapour pressure:
- 8 Pa
- at the temperature of:
- 20 °C
The vapour pressure of the test substance was determined experimentally using the static method, according to EU A.4 Method (Chilworth, 2017) as well using QSAR model of EPI Suite (US EPA, 2018).
- Experimental VP: 8 Pa at 20°C (using static method); study result suspected to be influenced by trapped impurities/gases.
- Weighted average QSAR based VP = 1.60E-4 Pa at 25°C (using EPI Suite v.4.11). The estimates for the major constituents are considered to be reliable with restrictions, as they do not completely fall within of the applicability domain.
Overall, based on the above information, the test substance can be considered to have low volatility. As a conservative approach the higher vapour pressure value of 8 Pa has been considered further for hazard/risk assessment as a conservative approach.
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- February 28, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 17892-4:2004 Geotechnical investigation and testing -- Laboratory testing of soil -- Part 4: Determination of particle size distribution
- Version / remarks:
- 2004
- Deviations:
- not specified
- GLP compliance:
- not specified
- Type of method:
- sieving
- Type of particle tested:
- primary particle
- Type of distribution:
- mass based distribution
- Mass median aerodynamic diameter:
- ca. 63 - ca. 600 µm
- Remarks on result:
- other: Standard deviation values were not provided the study report
- Key result
- Percentile:
- other: D99.4
- Mean:
- ca. 63 - ca. 600 µm
- Remarks on result:
- other: Standard deviation values not provided
- No.:
- #1
- Size:
- > 600 µm
- Distribution:
- ca. 1.592 %
- No.:
- #2
- Size:
- > 500 µm
- Distribution:
- ca. 0.29 %
- No.:
- #3
- Size:
- > 355 µm
- Distribution:
- ca. 3.536 %
- No.:
- #4
- Size:
- > 250 µm
- Distribution:
- ca. 3.508 %
- No.:
- #5
- Size:
- > 212 µm
- Distribution:
- ca. 5.338 %
- No.:
- #6
- Size:
- > 150 µm
- Distribution:
- ca. 9.391 %
- No.:
- #7
- Size:
- > 90 µm
- Distribution:
- ca. 21.035 %
- No.:
- #8
- Size:
- > 63 µm
- Distribution:
- ca. 35.163 %
- No.:
- #9
- Size:
- < 63 µm
- Distribution:
- ca. 19.59 %
- Conclusions:
- Under the study conditions, the particle size distribution of the test substance was determined continous and consistance (600 to 63 µm).
- Executive summary:
A study was conducted to determine the particle size distribution of the test substance, mono- and di- C16 PSE, K+ H3PO4, according to ISO 17892-4 : 2004, using granulometry by sieving method. The sieves were stacked in mesh size order from largest aperture (top - 600 µm) to smallest aperture (bottom - 63 µm) and the sample aliquot weighed into a glass bowl (50.3142g). This was emptied into the top sieve and the bowl brushed out with a soft brush. The stack of sieves were placed on a mechanical shaker for 5 minutes at 95 rpm followed by 2 minutes manual agitation. The sieves were turned by 45° after each minute of shaking. Sieves were then removed consecutively from the stack and the contents carefully transferred to a weighing bowl. The sieve was brushed down with a soft brush to ensure quantitative transfer of material. The sample was analysed using the sieve method down to an aperture of 63 µm. Analysis of the sample fraction passing through this mesh (20.147% of sample mass) has not been carried out and would require alternative methodology. 1.592% of the sample mass did not pass the 600µm sieve, the largest aperture used. Visual examination of the retained particles indicated that these were all marginally larger than the sieve mesh and there were no anomalously large particles or agglomerations present. The particle sizes of the sample therefore formed a continuous and consistent distribution. The recovery of test substance from the experiment was 99.4%. Therefore, the validity criteria for this study (>99% recovery) was met. Under the study conditions, the particle size distribution of the test substance was determined continous and consistance (600 to 63 µm) (Chemex, 2018).
Results
Sieve (µm) |
Weight of retained sample |
Cumulative weigh (g) |
Total sample weight (%) |
Accumulated sample (%) |
Test substance not retained (%) |
600 |
0.801 |
0.801 |
1.592 |
1.592 |
98.408 |
500 |
0.146 |
0.947 |
0.29 |
1.882 |
98.118 |
355 |
1.7789 |
2.726 |
3.536 |
5.418 |
94.582 |
250 |
1.765 |
4.491 |
3.508 |
8.926 |
91.074 |
212 |
2.686 |
7.177 |
5.338 |
14.264 |
85.736 |
150 |
4.7251 |
11.902 |
9.391 |
23.655 |
76.345 |
90 |
10.5835 |
22.486 |
21.035 |
44.69 |
55.31 |
63 |
17.6919 |
40.177 |
35.163 |
79.853 |
20.147 |
End receiver |
9.8565 |
50.034 |
19.59 |
99.443 |
0.557 |
Total mass measured was 50.0339 g (99.4% of initial mass).
Discussion
The sample was analysed using the sieve method down to an aperture of 63 µm. Analysis of the sample fraction passing through this mesh (20.147% of sample mass) has not been carried out and would require alternative methodology. 1.592% of the sample mass did not pass the 600 µm sieve, the largest aperture used. Visual examination of the retained particles indicated that these were all marginally larger than the sieve mesh and there were no anomalously large particles or agglomerations present. The particle sizes of the sample therefore formed a continuous and consistent distribution. The recovery of test substance from the experiment was 99.4%. Therefore, the validity criteria for this study (>99% recovery) was met.
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- September, 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Appearance based on observations from other testing endpoints conducted for this substance
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- Observations based on the observations made during testing for other endpoints
- GLP compliance:
- yes
- Physical state at 20°C and 1013 hPa:
- solid
- Key result
- Form:
- solid: particulate/powder
- Colour:
- White
- Substance type:
- organic
- Conclusions:
- The substance is a white solid powder.
- Executive summary:
The physical state and appearance of the test substance were visually observed during testing of other endpoints. The purified form of the test substance was identified to be a white solid powder (Chilworth, 2017).
Data source
Materials and methods
Results and discussion
Applicant's summary and conclusion
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.
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