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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Explosiveness

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Administrative data

Link to relevant study record(s)

Description of key information

The ASA Category comprises 5 aromatic sulphonic acids:


TSA, Toluene-4-sulphonic acid (EC 203-180-0, CAS 104-15-4)


XSA, (Xylenes and 4-ethylbenzene) sulphonic acid (EC 701-247-3, CAS -) Former EC 246-839-8:


CSA, p-cumene sulphonic acid (EC 240-210-1, CAS 16066-35-6)


BSA, Benzene sulphonic acid (EC 202-638-7, CAS 98-11-3)


HBSA, 4-hydroxybenzensulphonic acid (EC No. 202-691-6, CAS No. 98-67-9)


In accordance with column 2 of REACH Annex VI, the study does not need to be conducted since there are no chemical groups associated with explosive proprieties present in the molecule.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification

No classification for explosivity is warranted Regulation EC 1272/2008