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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

–26°C  (closed cup method)
highly flammable liquid

Key value for chemical safety assessment

Flash point at 101 325 Pa:
247.2 K

Additional information

1. European Union Risk Assessment Report of Acrolein (EU, 2001)

Flash point: -26°C (closed cup)

Flammability: flammable liquid

2. Agreement with further international Reports and Studies published after finalisation of the EU Risk Assessment Report 2001

US ATSDR (2007): flash point: –26°C (closed cup)

Flammability: flammable liquid

3. Substantial disagreements in comparison to further international Reports to European Union Risk Assessment Report 2001


4. Additional aspects in further international Reports

US ATSDR (2007): flash point: -18 (open cup)

5. Additional information in newer Studies, not included in the European Union Risk Assessment Report 2001 or further cited international reports


6. Conclusions

The flash point of acrolein was determined to be -26°C  using the closed cup method and -18°C  using the open cup method. In deviation from the cited classification in the international reports, acrolein must be regarded as a highly flammable liquid according to Directive 67/548 (EEC) and as a flammable liquid (category 2) according to Regulation EC No 1272/2008, based on the flash point and the cut off values.