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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Flash point

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Administrative data

Link to relevant study record(s)

flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
according to guideline
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Version / remarks:
GLP compliance:
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.