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EC number: 701-247-3
CAS number: -
The ASA Category comprises 5 aromatic sulphonic acids but only TSA, Toluene-4-sulphonic acid (EC 203-180-0, CAS 104-15-4) is a solid for which the particle size was determined. The D50 was 346.7 µm.
For the other category members:
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)
the study does not need to be conducted since the substances are marketed or used in a non-solid or granular form, the particle size was waived.
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