Disodium Phosphate

Molecular Formula: Na₂HPO₄
Molecular Weight: 141.96
CAS Number: 7558-79-4
EINECS Number: 231-448-7
Customs Code: 28352200
Alias: DSP

Characteristics:

  • Anhydrous disodium hydrogen phosphate is a white powder
  • Relative density: 1.52
  • Hygroscopic
  • Aqueous solution is weakly alkaline
  • Easily soluble in water, insoluble in ethanol

Description

Product Uses:

  • Fire Retardant: Used as a fire retardant for fabrics, wood, and paper
  • Softening Agent
  • Textile Industry: Used as a fabric weighting agent, and in dyeing detergents and neutralizers
  • Glazes, Medicine, Pigments, Welding Fluxes:
  • Electroplating:
  • Used in the production of other phosphates

Packaging, Storage, and Transportation:

  • Available in 25kg, 50kg, 1000kg, 1200kg, 1250kg bags with customizable options.
  • Store in a dry, well-ventilated area, and avoid exposure to moisture. It retains its quality during long-term storage, and any clumping can be resolved by crushing or dissolving before use.
  • Non-toxic and non-hazardous, it can be transported by road, sea, or rail as general cargo.

Specifications:

Item
Index HG/T2765-2009
Main content (as NaH2PO4), ω/% ≥
97
Water insoluble,ω/ % ≤
0.05
pH value (10g/L)
8.8-9.2