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Physical & Chemical properties

Dissociation constant

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Description of key information

Two pka values for thioglycolic acid are published the mentioned review article in Ullmann's Encyclopedia of Industrial Chemistry, 6th edition (2002)

Key value for chemical safety assessment

pKa at 20°C:

Additional information

pka 1 of the carboxyl group 3.82

pka 2 of the sulfanyl group 9.3