Tert-Butylhydroquinone
ALTERNATIVE NAMES
TBHQ
TECHNICAL SPECIFICATIONS
CAS
1948-33-0
EC
217-752-2
Food Code
E319
Tert-butylhydroquinone (TBHQ) is a white to pale yellow crystalline powder with formula C10H14O2 and molecular weight 166.22 g/mol. It has density 1.05 g/cm³, melting point 126-129°C, slightly soluble in water, soluble in ethanol; acts as a phenolic antioxidant.
Tert-Butylhydroquinone
Used as antioxidant in foods (oils, fats) to prevent rancidity; in cosmetics and pharmaceuticals for stabilization; in pesticides as inert ingredient; in plastics and rubber as stabilizer.
Irritates eyes/skin; may cause respiratory issues. Low toxicity but Prop 65 cancer warning; avoid strong oxidizers. Hazard Class 9 (environmentally hazardous); use PPE, ventilate.
In 25kg drums; store in cool, dry places; transport as environmentally hazardous solid.
