CAS Registry Number

CAS 20170-32-5 — 3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid

3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid is a synthetic antioxidant commonly used in plastics, rubber, and adhesives to prevent oxidative degradation. It stabilizes polymers by inhibiting chain reactions that cause material breakdown under heat or UV exposure. This chemical has a CAS number of 20170-32-5, a molecular formula of C17H26O3, and a molecular weight of 278.3865 g/mol. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies 3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.