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Pharmaceutical excipients
Disodium hydrogen phosphate,docecahydrate

Product name

Disodium hydrogen phosphate,docecahydrate

Specification

Pharmaceutical grade (USP,BP,EP,CP)

Molecular formula

Na2HPO4·12H2O

CAS

10039-32-4

H.S. CODE

2835220000

Molecular weight

358.14

Appearance

White crystal

Package

25KG Woven bags or fiber drums



Property

     Colorless cubic crystalline or white powder. 1.62 g/cm3 density. ℃ 73.3 melting point. 76.7 ℃ decomposition. Heated to 100 ℃ lost 12 gesso and become waterless objects. In dry air and easily. Are soluble in water. The solution is a strong alkali. Insoluble in carbon disulfide and ethanol.

Application:

    Can be used for soft agent and detergent, boiler &dirt-proof agent, printing and dyeing of fixing agent, the fabric mercerizing enhancer, metal corrosion resistance, agents and metal rust, enamel in the production of the flux and decoloring agents, leather fatliquoring agents and the ShengPi to come unglued agent. Food-grade twelve water sodium for food processing of emulsifier, quality improver, nutritional supplements, and increase in food bottles (tank) detergent.

Test standard

Test items

Specification

BP2015

USP35

CP2015

Appearance

White crystal

White crystal

White crystal

Assay

98.5~102.5%

98.0~100.5%

98.0%

pH

 

 

9.0~9.4

Appearance of solution

Conform

 

Conform

Loss on dry

 

55.0~64.0%

55.0~64.0%

Insoluble matters

 

0.4%

0.05%

Reducing substances

Conform

 

Conform

m  Monosodium phosphate

2.5%

 

2.5%

Water

57.0~61.0%

 

 

Chloride

0.02%

0.06%

0.001%

Sulfate

0.05%

0.2%

0.01%

Carbonate

 

 

Conform

Arsenic

0.0002%

0.0016%

0.0002%

Iron

0.002%

 

0.002%

Heavy metals

0.001%

0.002%

0.001%

Storage

    Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.


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