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Physical & Chemical properties

Flash point

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Reference
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

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.