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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study according to ISO guideline
according to guideline
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Version / remarks:
Type of method:
closed cup
Flash point:
97 °C
Atm. press.:
1 000.6 hPa

The pre-experiment gave a flash point of 95.5°C.

In the two determinations of the main study, flash points of 96.1 and 97.5 °C were measured. These values were corrected for the atmospheric pressure at the time of the measurement resulting in corrected values of 96.4 and 97.8 °C. The mean of these two values of 97.1 °C was rounded to 97 °C.

The flash point of the test item at atmospheric pressure (1000.6 hPa) is 97 °C. Based on these data, the substance is not considered flammable.
Executive summary:

o-Chlorobenzaldehyde showed a flah point of 97 °C in a study conducted according to ISO guideline.

Description of key information

Flash point: 97 °C (1000.6 hPa)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
370.2 K

Additional information

The flash point was determined in a study conducted according to ISO guideline and is considered reliable without restrictions.