3,3'-thiodiproprionic acid

3,3′-thiodiproprionic acid

[¦thrē ¦thre‚prīm ¦thī·ō‚prō·prē′än·ik ′as·əd]
(organic chemistry)
(CH2CH2COOH)2S A crystalline compound with a melting point of 134°C; soluble in hot water, acetone, and alcohol; used as an antioxidant for soap products and polymers of ethylene.