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EC number: 701-247-3
CAS number: -
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.
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