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.
Flash point
Administrative data
Link to relevant study record(s)
- Endpoint:
- flash point of flammable liquids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2007
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
- Version / remarks:
- 2002
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- closed cup
- Flash point apparatus:
- Pensky-Martens apparatus
- Dynamic viscosity of test material:
- The substance is a solid at ambient temperature. At 190 °C and 140 °C, the dynamic viscosity was determined to be 230 and 9230 mPa*s, respectively.
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): REACh Composite Sample 8 (pitch, coal tar)
- Key result
- Flash point:
- ca. 232 °C
- Atm. press.:
- ca. 101 kPa
- Remarks on result:
- other: on composite sample 8
- Flash point:
- > 200 °C
- Atm. press.:
- ca. 101 kPa
- Remarks on result:
- other: typical for pitch, coal tar, high-temp.
- Interpretation of results:
- GHS criteria not met
Reference
Description of key information
The typical flash point of pitch, coal tar, high-temp. is >= 473 K (200 °C).
Key value for chemical safety assessment
- Flash point at 101 325 Pa:
- 232 °C
Additional information
The flashpoint of the CCSG composite sample 08 was determined to be 232 °C at ca. 101 hPa. A typical value for the substance pitch, coal tar, high-temp. is > 200 °C.
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