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CAS Registry Number

CAS 7783-00-8 — Selenious acid

CAS 7783-00-8 H_{2}O_{3}Se MW 128.9741

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.

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Molekula products for CAS 7783-00-8

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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