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Physical & Chemical properties

Partition coefficient

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Description of key information

measured: -1.1 up to +0.9

Key value for chemical safety assessment

at the temperature of:
20 °C

Additional information

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

Partition coefficient n-octanol/water log Kow:

-calculated: -0.68 up to +1.02

-measured: -1.1 up to +0.9

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

US ATSDR (2007): n-octanol/water partition coefficient log Kow=-0.01

WHO (2002): n-octanol/water partition coefficient log Kow=-1.1 to 1.02

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


4. Additional aspects in further international Reports


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


6. Conclusions

Calculated and measured log Kow values of acrolein ranged from -1.1 to +1.02.