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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Administrative data

Link to relevant study record(s)

Description of key information

Sodium vinylsulphante is exclusivcly used as a 25 - 35% aqueous solution.
Where relevant the boiling point of water should be referred.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
100 °C

Additional information

Based on (Q)SAR calculations the boiling point of pure sodium vinylsulphonate is 459.56 °C.


Since polimerization of sodium vinylsulphonate takes place at significantly lower temperatures, evaporation of the substance does not occur.


Where relevant the boiling point of water should be referred.