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Pharmaceutical excipients
Dipotassium hydrogen phosphate

Product name

Dipotassium hydrogen phosphate

Specification

Pharmaceutical grade (USP,BP,EP,CP)

Molecular formula

K2HPO4

CAS

7758-11-4

H.S. CODE

2835220000

Molecular weight

204.22

Appearance

White powder

Package

25KG Woven bags or fiber drums



Property

     White crystalline or amorphous powder. Soluble in water, a micro alkaline solution. Soluble in alcohol. It has hygroscopic property. After burn into coke phosphate.

Application:

    Used in pharmaceutical, fermentation, germiculture and manufacturing focal potassium phosphate, etc.

Test standard

Test items

Specification

BP2015

USP35

CP2015

Appearance

White powder

White powder

White powder

Assay

98.0~101.0%

98.0~100.5%

99.0%

pH

8.5~9.6

8.5~9.6

8.5~9.6

Loss on dry

2.0%

1.0%

2.0%

Monopotassium phosphate

2.5%

 

2.5%

Insoluble matters

 

0.2%

0.02%

Carbonate

 

Conform

Conform

Sulfate

0.1%

0.0003%

0.017%

Phosphate

 

 

Conform

Reducing substances

 

 

Conform

Fluoride

 

0.001%

 

Chloride

0.02%

0.03%

0.004%

Arsenic

0.0002%

0.0003%

0.0002%

Iron

0.001%

0.003%

0.001%

Sodium

0.1%

Conform

0.1%

Heavy metals

0.001%

0.001%

0.001%

Bacterial endotoxin

Conform

 

 

Storage

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


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