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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

According to EPI Suite, vapour pressure of 4-aminobenzene-1,3-disulphonic acid was estimated to be 0.0000000000008 mm Hg using Modified Grain Method. This value when converted in Pascal is equivalent to 0.0000000001 Pa at 25oC. 

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information

For the purpose of chemical safety assessment, the value that has been considered is a higher value of 0.000000001 Pa given the limitation of the field