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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

Description of key information

flammability limits of acrolein vapour: 2.8 – 31% by volume.

Key value for chemical safety assessment

Flammability:
flammable

Additional information

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

Flammability limits (vapour): 2.8 - 31% by volume

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

US ATSDR (2007): Flammability limits (vapour): 2.8 - 31% by volume

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

None

4. Additional aspects in further international Reports

None

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

None

6. Conclusions

The flammability limits of acrolein vapour are 2.8 - 31% by volume.

Justification for classification or non-classification

According to Regulation (EC) No 1272/2008 (CLP) the test substance acrolein is classified as a flammable liquid Cat 2, H 225. A flammable liquid Cat 2 is defined as a liquid having a flash point < 23 °C and an initial boiling point > 35 °C. It was conducted that the test substance has a flash point of -26 °C and an initial boiling point of +53 °C.

Legally binding harmonised classification as given in Regulation (EC) No 1272/2008 Annex VI: Table 3.1 (CLP): Flam. Liq. 2, H225

Table 3.2 Directive 67/548 (EEC): F, R11