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EC number: 602-927-1 | CAS number: 123312-89-0
- 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:
- 13 Nov 1992 to 10 Mar 1993
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- May 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- September 1984
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- 217 °C
- Decomposition:
- yes
- Decomp. temp.:
- 190 °C
- Remarks on result:
- other: Around 190 °C, a colour change was noted
- Remarks:
- Atm. pressure was not reported
- Conclusions:
- The melting point of the test substance was determined to be 217.0 °C.
- Executive summary:
The study was performed to determine the melting temperature of the test substance using the capillary method according to OECD TG 102 and in compliance with GLP. The mean melting temperature of the test substance was determined to be 217 °C, with a decomposition observed around 190 °C.
Reference
Table: Results of the melting point determinations
Substance |
Starting Temp. (°C) |
Heating Rate / °C . min-1 |
Melting point (°C) |
Carbazole |
243.0 |
0.2 |
245.8 |
|
243.0 |
0.2 |
245.7 |
Average |
|
|
245.75 |
Expected |
|
|
245.3 |
|
|||
Test substance |
215.0 |
0.2 |
216.6 |
|
215.0 |
0.2 |
216.5 |
|
200.0 |
1.0 |
217.6 |
|
200.0 |
1.0 |
217.2 |
|
200.0 |
1.0 |
217.6 |
Average |
|
|
217 |
The colour change was noted to occur at around 190 °C. The accuracy of the determination could have been influenced by the decomposition.
Description of key information
217 °C, OECD 102, capillary method, Rodler 1993
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 217 °C
Additional information
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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