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Diss Factsheets
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EC number: 234-091-5 | CAS number: 10528-67-3
- 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:
- 2011-08-18
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 1392 Determination of crystallizing point - General method
- Deviations:
- no
- Principles of method if other than guideline:
- The substance is cooled down in a solidification tube, diameter 18-25 mm. During the solidification the temperature rises due to the heat of crystallisation. The maximum temperature reached during the solidification process corresponds to the solidification point.
- GLP compliance:
- no
- Remarks:
- The study was conducted under supervision of a quality assurance unit which had ensured e.g instrumentation validation, reagent/materials certification, analyst certification and providing standard operating procedures.
- Type of method:
- other: Thermometry
- Key result
- Melting / freezing pt.:
- < -20 °C
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: Solidification point
- Conclusions:
- The freezing point of the test substance was determined to be < - 20 °C.
- Executive summary:
A thermometric measurement according to ISO 1392 was done to establish the solidification/freezing point of the test substance. Approx. 10 g of the substance are transferred into a solidification tube and melted if necessary, so that the tube is filled up to 1/3. The liquefied material is super-cooled to approx. 5 °C below the expected solidification point. By stirring with the thermometer and rubbing against the test tube wall the crystallisation is initiated. If necessary the liquefied material is inoculated with a crystal of the substance to be determined. The solidification/freezing point was the maximum temperature observed during the solidifying process. The freezing point of the test substance was determined to be < - 20 °C.
- Endpoint:
- melting point/freezing point
- Data waiving:
- other justification
- Justification for data waiving:
- other:
Referenceopen allclose all
Description of key information
The freezing point of the test substance was determined to be < - 20 °C. In accordance with column 2 Annex VII section 7.2 of Regulation (EC) No 1907/2006 (REACH), no further test on melting point needs to be conducted as the melting point of the substance is below - 20°C.
Key value for chemical safety assessment
Additional information
A thermometric measurement according to ISO 1392 was done to establish the solidification/freezing point of the test substance. Approx. 10 g of the substance are transferred into a solidification tube and melted if necessary, so that the tube is filled up to 1/3. The liquefied material is super-cooled to approx. 5 °C below the expected solidification point. By stirring with the thermometer and rubbing against the test tube wall the crystallisation is initiated. The solidification/freezing point was the maximum temperature observed during the solidifying process. The freezing point of the test substance was determined to be < - 20 °C.
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.