Structural formula:

CAS number: 80-09-1
Molecular formula: C₁₂H₁₀O₄S
Molecular weight: 250.27
Melting point: 245-250 °C(lit.)
Storage conditions: Storebelow+30°C.
Chemical properties: white crystalline powder,
Uses: The product can be used as a synthetic raw material for polycarbonate, epoxy resin, polyethersulfone, heat-sensitive materials, etc., and as an intermediate for dyes, drugs, flame retardants, textile auxiliaries, etc.