Product Documents

Sodium Hydroxide Flakes

Technical

CAS Number
1310-73-2
Category
Bases & Salts

Sodium Hydroxide Flakes (CAS 1310-73-2) is a chemical product supplied by Alliance Chemical in the Bases & Salts category, available as Technical. For transport it is classified as UN1823, DOT hazard class 8, and packing group II. 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: CorrosiveCorrosive
CLASS 8 · UN1823Danger
Sodium Hydroxide Flakes Technical Grade 4-lb white plastic bottle Alliance Chemical
2D chemical structure of Sodium Hydroxide Flakes
Structure · PubChem

How does Sodium Hydroxide Flakes ship?

Alliance Chemical ships Sodium Hydroxide Flakes as UN1823, hazard class 8, packing group II. 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 Hydroxide Flakes
FieldValueGoverning regulation
UN NumberUN1823DOT 49 CFR 172.101 Hazardous Materials Table
DOT Hazard Class8DOT 49 CFR 172.101 Hazardous Materials Table
Packing GroupIIDOT 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.

This classification depends on concentration. See how sodium hydroxide solution (caustic soda) is classified across the full concentration range under 49 CFR 172.101.

SDSSafety Data Sheet — hazards, handling, first aid, and transport.TDSTechnical Data Sheet — identity, properties, and specifications.COACertificate of Analysis — typical analytical results.
Compare all 2 grades of Sodium Hydroxide Flakes →
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 2026-06-18 by Andre Taki, DOT Hazmat Specialist.