CAS Registry Number

CAS 581-43-1 — 2,6-Dihydroxynaphthalene

2,6-Dihydroxynaphthalene (CAS 581-43-1) is an organic compound featuring two hydroxyl groups at the 2 and 6 positions of the naphthalene ring. It serves as a key intermediate in the synthesis of dyes, pharmaceuticals (e.g., sulfonamide drugs), and agrochemicals, as well as in the production of polyesters and high-performance polymers. This white to off-white crystalline solid has the molecular formula C10H8O2 and a molecular weight of 160.17 g/mol, with a storage stability at ambient conditions. Classified under GHS with a **Warning** signal word, it requires handling with standard precautions for flammable solids and potential skin/eye irritation. Molekula supplies 2,6-Dihydroxynaphthalene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.