Registration Dossier
Registration Dossier
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EC number: 240-210-1 | CAS number: 16066-35-6
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
Description of key information
The substance is a deliquescent white solid odourless
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- liquid
Additional information
Physical-Chemical testing was conducted by Slovnaft Vurup, a.s., Department of Testing Laboratories, in July and August 2010.
There are 5 aromatic sulphonic acids that were tested for physical-chemical properties in 2010. The appearance of those samples at 20C was:
Benzene sulphonic acid (CAS No. 98-11-3) - aqueous solution (ca 65%) as tested. Hygroscopic when dried.
Hydroxybenzene sulphonic acid (CAS No. 1333-39-7) - aqueous solution (ca 65%) as tested. Hygroscopic when dried.
Cumene sulphonic acid (CAS No. 37953-05-2) - aqueous solution (ca 65%) as tested. Hygroscopic when dried.
Xylene sulphonic acid (CAS No. 25321-41-9) - aqueous solution (ca 65%) as tested. Hygroscopic when dried.
Toluene sulphonic acid (CAS No. 104-15-4) - monohydrate crystal as tested. Hygroscopic when dried.
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