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EC number: 701-247-3
CAS number: -
Health records from industrial manufacturing exposure, including manufacturing plant book of injuries and a physician report, show toluene-4-sulphonic acid (as handled in manufacturing plants; i.e., a 65% aqueous solution with < 5% free sulphuric acid) is an irritant to the eye and skin.
Standard first aid response to exposure, including immediately washing
the skin and rinsing the eyes resulted in the affected area returning to
normal within a week.
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