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Physical & Chemical properties

Vapour pressure

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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