CAS Registry Number

CAS 88-58-4 — 2,5-Di-tert-butylhydroquinone

2,5-Di-tert-butylhydroquinone (DBHQ) is a synthetic antioxidant widely used in plastics, rubber, and petroleum products to prevent oxidation and degradation. It stabilizes materials by inhibiting free radical formation, extending shelf life and performance. This white crystalline powder has a CAS number of 88-58-4, molecular formula C14H22O2, and a molecular weight of 222.32 g/mol. Store at ambient conditions. The product carries a signal word of "Warning" for safety classification. Molekula supplies 2,5-Di-tert-butylhydroquinone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.