- October 20, 2020
Canada | The Draft Screening Assessment for Benzenesulfonic acid (PTSA) was published
Pursuant to section 74 of the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health have conducted a screening assessment of benzenesulfonic acid, 4-methyl-, hereinafter referred to as p-toluenesulfonic acid (PTSA). The Chemical Abstracts Service Registry Number (CAS RN) for PTSA is 104-15-4. This substance was identified as a priority for assessment as it met categorization criteria under subsection 73(1) of CEPA.
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