Product Documents

Sodium Bisulfite 25% ACS Grade

ACS · 25%

CAS Number
7631-90-5
Category
Inorganic Salts / Slurries

Sodium Bisulfite 25% ACS Grade (CAS 7631-90-5) is a chemical product supplied by Alliance Chemical in the Inorganic Salts / Slurries category, available as ACS, 25%. For transport it is classified as UN2693, DOT hazard class 8, and packing group III. Its GHS signal word is Danger. Documentation includes a safety data sheet (SDS), a technical data sheet (TDS), and a certificate of analysis (COA), available below and published from Alliance Chemical's canonical product data.

GHS pictogram: CorrosiveCorrosiveGHS pictogram: Irritant / harmfulIrritant / harmful
CLASS 8 · UN2693Danger
2D chemical structure of Sodium Bisulfite 25% ACS Grade
Structure · PubChem

How does Sodium Bisulfite 25% ACS Grade ship?

Alliance Chemical ships Sodium Bisulfite 25% ACS Grade at 25% as UN2693, hazard class 8, packing group III. Transport classification depends on concentration, so this is the classification for this grade specifically — not a generic value for the pure compound.

Transport and hazard communication classification for Sodium Bisulfite 25% ACS Grade
FieldValueGoverning regulation
UN NumberUN2693DOT 49 CFR 172.101 Hazardous Materials Table
DOT Hazard Class8DOT 49 CFR 172.101 Hazardous Materials Table
Packing GroupIIIDOT 49 CFR 172.101 Hazardous Materials Table
GHS Signal WordDangerOSHA HCS 29 CFR 1910.1200 Appendix C

Values are published only when Alliance Chemical's canonical record is authoritative or cross-verified. The safety data sheet carries the full provenance chain, including section 14 transport information.

Compare all 8 grades of Sodium Bisulfite
Download document packet (ZIP)SDS, technical data, and a sample certificate of analysis in one file.

About these documents

Alliance Chemical publishes these documents from its canonical product data. Chemical identity, hazard classification, and physical properties are sourced from named authorities (DOT 49 CFR, OSHA, ECHA, PubChem) and internal laboratory records — each value carries per-field provenance and a last-reviewed date. A Certificate of Analysis with lot-specific results ships with every order.

Last reviewed 2026-07-22.