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Flash point

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Reference
Endpoint:
flash point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18-08-2017 – 19-08-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Experimental test result performed using standard test guidelines
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The flash point of a flammable liquid is the lowest temperature at which there will be enough flammable vapor to ignite when an ignition source is applied.
GLP compliance:
no
Type of method:
closed cup
Test material information:
Composition 1
Key result
Flash point:
231.6 °C
Atm. press.:
963.4 hPa
Interpretation of results:
GHS criteria not met
Conclusions:
The mean flash point of 1-(2,4-dimethylphenylazo)-2-naphthol(CAS No. 3118-97-6) was 213.6°C at 963.4 hPa.
Executive summary:

The flash point determination of 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 213.6°C at 963.4hPa.

Description of key information

The flash point determination of 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6) was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 213.6°C at 963.4hPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
213.6 °C

Additional information

The flash point determination of 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6) was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 213.6°C at 963.4hPa.

Other supporting data indicates the flash point of 1-[(2, 4 -dimethylphenyl) diazenyl]-2 -naphthol from calculated model to be 238.79 Deg C, which is close to selected key value.