CAS Registry Number

CAS 131-55-5 — 2,2,4,4-Tetrahydroxybenzophenone

2,2,4,4-Tetrahydroxybenzophenone is a polyhydroxybenzophenone derivative used primarily as a UV absorber and antioxidant in plastics, coatings, and adhesives to enhance light stability and prevent degradation. It is a white to off-white crystalline powder with minimal acute toxicity. This chemical has a CAS number of 131-55-5 and carries no signal word under standard classification. It is soluble in polar organic solvents but insoluble in water. Molekula supplies 2,2,4,4-Tetrahydroxybenzophenone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.