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Chemical reagent
Dipotassium hydrogen phosphate, trihydrate

Product name

Dipotassium hydrogen phosphate,trihydrate

Specification

Reagent grade

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 standardHG/T 3487—2000


Test items

Specification

AR grade

CP grade

Appearance

Colorless crystal

Colorless crystal

Assay

99.0%

97.0%

pH

8.99.4

8.99.4

Appearance of solution

Conform

Conform

Water insoluble

0.01%

0.03%

Chloride

0.002%

0.005%

Sulfate

0.01%

0.03%

Nitrate

0.001%

0.003%

Sodium

0.05%

0.10%

Magnesium

0.001%

0.001%

Iron

0.001%

0.003%

Arsenic

0.0001%

0.0003%

Heavy metals

0.001%

0.003%

Storage

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




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