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Diss Factsheets
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EC number: 430-280-3 | CAS number: 844491-96-9
- 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 January 1998 to February 1998
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: DIN (51007)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: M 95/0035 method
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Batch No.: 1086(86,88,92,96); Purity: 62g/100g; Appearance: dark brown powder, homogeneous
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- 105 °C
- Remarks on result:
- not determinable
- Conclusions:
- Under the study conditions,a melting point of the test substance could not be observed up to 280°C (maximum temperature of the Kofler hot bar, preliminary test). Differential scanning calorimetry (DSC): A melting temperature could not be determined. The test substance decomposes in a closed crucible under its own vapour pressure (starting at about 105°C). Instead of endothermal peaks, as expected for melting, exothermal peaks were observed indicating decomposition.
- Executive summary:
A study was conducted to determine the melting point of the test substance according to M 95/0035 method, OECD 102 Guideline (Paris, 12 July 1995) and DIN (51007), in compliance with GLP. A sample of the test substance was analysed using differential scanning calorimetry (DSC). A melting temperature could not be determined. The test substance decomposes in a closed crucible under its own vapour pressure (starting at about 105°C). Instead of endothermal peaks, as expected for melting, exothermal peaks were observed indicating decomposition. Under the study conditions, a melting point of the test substance could not be observed up to 280°C (maximum temperature of the Kofler hot bar) (Grosenick, 1997).
Reference
Description of key information
The melting point was determined according to OECD Guideline 102, M Method 95/0035 and DIN Method 51007 (Grosenick, 1997).
Key value for chemical safety assessment
Additional information
A melting temperature could not be determined. The test substance decomposed in a closed crucible under its own vapour pressure (starting at about 105°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.
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