Product Introduction

Appearance: White powder, in the form of sheets or granules; soluble in water, and the solution has a weak alkaline nature.

Molecular Formula: Na2HPO4

Molecular Weight: 141.96

CAS No.: 7558-79-4

UN No.: 3077

DG Class: 9 (Environmental hazards)

Packing Group: III

Physical/Chemical Properties:Density: 1.064 g/mL (at 20°C); Melting point: 243 - 245°C; Water solubility: ≥ 10 g/100 mL; pH value of 50 g/L solution: 8.9 - 9.2.

Main Applications

• Analytical reagents, pH reference reagents, buffers

• Industrial water treatment, dyeing and washing, softening agents

• Food quality improvers

• Fire retardants for wood/paper/textiles, boiler softening water

Safety Information

Hazard Symbols: Xi

Hazard Statements: H315 H319 H335

Precautionary Statements: P261 P280 P304+P340 P305+P351+P338

Quality Standard: HG/T 2965-2000（Industrial grade Na2HPO4≥97.5%）

Storage & Transport: Store in a cool, dry, well-ventilated place away from incompatible materials. Handle with appropriate PPE. Refer to the Safety Data Sheet (MSDS) for detailed handling, first-aid, fire-fighting and accidental release measures.