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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Vapour pressure

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Description of key information

The vapour pressure of the test item Basic Brown 17 calculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 deg C according to EU method A.4 and OECD guideline 104 was determined to be 1.2x10-4, 1.7x10-4, 8.3x10-4 Pa (molecular weight 401.5) and 1.1x10-4, 1.6x10-4, 7.6x10-4 Pa (molecular weight 477.0).

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
20 °C

Additional information