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Pharmaceutical excipients
Dipotassium hydrogen phosphate,trihydrate

Product name

Dipotassium hydrogen phosphate,trihydrate

Specification

Pharmaceutical grade (USP,BP,EP,CP)

Molecular formula

K2HPO4·3H2O

CAS

16788-57-1

H.S. CODE

2835240000

Molecular weight

228.22

Appearance

Colorless crystal

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

Colorless crystal

Colorless crystal

Colorless crystal

Assay

99.0%

99.0%

99.0%

pH

8.9~9.4

8.9~9.4

8.9~9.4

Appearance and color of solution

Conform

Conform

Conform

Chloride

0.002%

0.002%

0.002%

Sulfate

0.01%

0.01%

0.01%

Nitrate

0.003%

0.003%

 

Carbonate

 

 

Conform

Phosphate

0.02%

0.02%

Conform

Water insoluble water

0.03%

0.03%

0.01%

Reducing substances

Conform

Conform

Conform

Loss on dry

22.0~26.0%

22.0~26.0%

22.0~26.0%

Iron

0.001%

0.001%

0.001%

Sodium

0.10%

0.10%

0.1%

Arsenic

0.0001%

0.0001%

0.0001%

Heavy metals

0.001%

0.001%

0.001%

Storage

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

Product categories
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