Registration Dossier
Registration Dossier
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EC number: 266-028-2 | CAS number: 65996-93-2 The residue from the distillation of high temperature coal tar. A black solid with an approximate softening point from 30°C to 180°C (86°F to 356°F). Composed primarily of a complex mixture of three or more membered condensed ring aromatic hydrocarbons.
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:
- 2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM D3104
- GLP compliance:
- no
- Type of method:
- other: Mettler Softening Point Method
- Melting / freezing pt.:
- ca. 116 °C
- Atm. press.:
- ca. 101 kPa
- Remarks on result:
- other: Referende 1
- Melting / freezing pt.:
- ca. 116 °C
- Atm. press.:
- ca. 101 kPa
- Remarks on result:
- other: Reference 2
- Melting / freezing pt.:
- > 65 °C
- Atm. press.:
- ca. 101 kPa
- Remarks on result:
- other: typical value for coal-tar pitch, but no study report included
Reference
First two results on composite sample.
Third result typical value for pitch, coal tar, high-temp.
Description of key information
Melting point approx. 116 °C for the composite sample, typically > 65 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 116 °C
Additional information
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