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CAS 7783-00-8 — Selenious acid

Selenious acid (H₂O₃Se, CAS 7783-00-8) is a water-soluble selenium compound used primarily in semiconductor manufacturing, glassmaking, and as a reagent in analytical chemistry. It serves as a dopant in electronics and a reducing agent in industrial processes. This white crystalline solid has a molecular weight of 128.9741 g/mol, requires ambient storage, and carries no signal word under standard handling. Molekula supplies Selenious acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.