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Diss Factsheets
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EC number: 202-888-7 | CAS number: 100-79-8
- 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
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 2 October 2013 to 25 November 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study performed according international guidelines. No deviation from the guidelines was observed during the test.
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- method to determine freezing temperature
- Melting / freezing pt.:
- < -50 °C
- Atm. press.:
- 29.91 other: inches Hg
- Decomposition:
- no
- Conclusions:
- The test substance did not freeze or solidify at the low temperature threshold of the freezing temperature method or -50.0°C (223 K). Therefore, the freezing point was reported as less than -50°C (223K).
- Executive summary:
The freezing point analysis of the test substance was performed using the freezing temperature method according to U.S EPA Product Test Guidelines, OPPTS 830.7200, OECD guideline 102 and GLP. No deviation from the guideline was observed during the study.
The test substance was mixed well via inversion prior to sampling. Triplicate aliquots of the test substance, approximately 10.0 grams each, were weighed into glass test tubes. Each sample aliquot was placed individually into the acetone/dry ice bath. The sample was continuously stirred using a metal spatula. As the sample cooled and thickened, the temperature was monitored, measured and recorded at 10 second intervals until the temperature remained constant for five consecutive readings (± 0.5°C), if applicable. This temperature equilibrium was determined to be the freezing point, if applicable. The elapsed time was recorded using a stopwatch. The barometric pressure was recorded at the time of each freezing point determination using a Control Company barometer . The testing was conducted inside an exhaust hood.
The test substance did not freeze or solidify at the low temperature threshold of the freezing temperature method or -50.0°C (223 K). It was concluded that the freezing point of the test substance is lower than -50°C(< 223K) at 29.1 inches Hg (101287 Pa).
Reference
The freezing point analysis of the test substance was performed using the freezing temperature method. This method has a low temperature threshold of 223K or -50.0°C. The test substance was clear, colorless, and free of suspended material prior to testing. After warming to room temperature (after each freezing point determination), no physical changes were observed. The test substance started to gel or thicken at approximately -35 to -40°C. At -50.0°C, the test substance had a jelly-like consistency, and was still very mixable.
The results of the three aliquots were shown below:
Subsample ID (411C-103-) |
Subsample Amount (g) |
Barometric Pressure (inches Hg)* |
Freezing point °C (K)** |
1 |
10.0126 |
29.91 |
<-50 (<223) |
2 |
10.0732 |
29.91 |
<-50 (<223) |
3 |
10.0477 |
29.91 |
<-50 (<223) |
Overall mean |
29.91 |
<-50 (<223) |
|
Overall Standard Deviation |
0.0 |
0.0 (0.0) |
|
Overall% CV |
0.00 |
0.0 (0.00) |
* 29.91 inches Hg equal to 101287Pa
** K=°C+273.15
Description of key information
Experimental value of freezing point at 29.9 inches Hg (101287 Pa):<-50°C
Key value for chemical safety assessment
Additional information
The freezing point analysis of the test substance was performed using the freezing temperature method according to U.S EPA Product Test Guidelines, OPPTS 830.7200, OECD guideline 102 and GLP. No deviation from the guideline was observed during the study.
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