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EC number: 435-860-1 | CAS number: 214417-91-1
- 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:
- 15 November 2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: Directive 92/69/EEC,A.1 (DSC method) (EEC publ. no L383, Dec 1992)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- (1995)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 150 °C
- Remarks on result:
- other: extrapolated onset temperature of the melting peak
- Melting / freezing pt.:
- 423 K
- Remarks on result:
- other: extrapolated onset temperature of the melting peak
- Conclusions:
- The melting point of the test substance was determined with DSC to be 150°C (423 K). Reaction or decomposition of the test substance was observed at temperatures just above the melting point.
Reference
First experiment:
A sharp endothermic peak was observed between 141 and 172°C (414 - 445 K). This effect is probably caused by melting of the test substance. Above the melting peak, between 172 and 250°C (445 - 523 K) a small exothermic effect was observed. Another exothermic effect was observed at temperatures above 305°C (578 K). Both exothermic effects are probably caused by reaction and/or decomposition of the test substance. After the experiment the sample had lost 1.63 mg (34%) of its mass. The sample had been molten and had a dark brown colour (original colour: white).
Second, third and fourth experiments:
The endothermic melting peaks were observed between 141 and 161°C (414 - 434 K). The small exothermic effect was observed above 177°C (450 K) during the third experiment and above 180°C (453 K) during the fourth experiment. These effects probably indicate reaction or decomposition of the test substance. After the second experiment the sample had been molten and had a yellow colour; no significant mass change was observed. After the third and the fourth experiment the sample had lost 0.16 mg (6%) and 0.88 mg (29%), respectively. In both cases the sample had been molten and had a dark brown colour.
The melting point of the substance was evaluated from the four DSC-curves as the extrapolated onset of the melting peak, i.e. 151°C (424 K), 150°C (423 K), 150°C (423 K) and 150°C (423 K), respectively.
Graphs of experiments are attached in the illustration.
Description of key information
The melting point of BMH is 150°C (423 K (EC A.1, OECD 102: DSC)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 150 °C
Additional information
Reaction or decomposition was observed at temperatures just above the melting point.
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