Product Name

Disodium phosphate dodecahydrate CAS 10039-32-4

Basic Information

CAS No:10039-32-4
Molecular Formula:H25Na2O16P
Molecular Weight:358.142
Remarks:Factory direct sales

Disodium phosphate dodecahydrate Properties




White Powder



Melting point/℃35
density(Kg/m³)1500(rough estimate)
refractive index1.429
Flash point/℃317.6
storage temproom temperature

Disodium phosphate dodecahydrate USES

Disodium phosphate dodecahydrate was used as a boiler water softener, flame retardant for fabrics, wood, and paper, glaze and soldering flux. Used for producing detergents, cleaning agents for printing plates, and dyeing mordants. Used as a stabilizer for hydrogen peroxide bleaching in the printing and dyeing industry, and as a filler for artificial silk (to enhance the strength and elasticity of the silk). It is a raw material for manufacturing sodium pyrophosphate and other phosphates, as well as a culture agent for monosodium glutamate, erythromycin, penicillin, streptomycin, and sewage biochemical treatment products. Also used for electroplating and tanning.

Used for manufacturing baking powder. Using product quality improvers, emulsifiers, nutritional enhancers, fermentation aids, and binders in food processing.

Disodium phosphate dodecahydrate Packaging

Packing: 25Kg,100Kg,200Kg,1000Kg/Drum

Disodium phosphate dodecahydrate storage

  1. Store barreled products in a cool, ventilated warehouse; keep away from

fire and heat sources. The warehousing temperature does not exceed 30 ℃, and the relative

humidity does not exceed 80%. Keep the container sealed; products should be stored separately

from oxidants, reducing agents, etc., and should not be mixed; be equipped with fire-fighting

equipment of appropriate variety and quantity; the storage area should be equipped with

equipment for emergency treatment of leakage and suitable containment materials;

  1. Store in a special storage tank; keep away from fire and heat sources; there is fire-fighting foam

for a fire emergency, and the tank area is equipped with equipment for the emergency treatment of


  1. Shelf life: The shelf life of this product is 6 months.

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