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Physical & Chemical properties

Density

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Description of key information

The ASA Category comprises 5 aromatic sulphonic acids and the relative density are:


TSA, Toluene-4-sulphonic acid (EC 203-180-0, CAS 104-15-4): 1.3453


XSA, (Xylenes and 4-ethylbenzene) sulphonic acid (EC 701-247-3, CAS -) Former EC 246-839-8: 1.3505


CSA, p-cumene sulphonic acid (EC 240-210-1, CAS 16066-35-6): 1.2193


BSA, Benzene sulphonic acid (EC 202-638-7, CAS 98-11-3): 1.3722


HBSA, 4-hydroxybenzensulphonic acid (EC No. 202-691-6, CAS No. 98-67-9): 1.5121


The relative densities of the 5 aromatic sulphonic acids ranged from 1.22 to 1.51.


The highest value has been selected as key value for the Chemical Safety Assessment.

Key value for chemical safety assessment

Relative density at 20C:
1.51

Additional information