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MONO POTASSIUM PHOSHPHATE

MONO POTASSIUM PHOSHPHATE

Product Details:

X

Product Description

Product Details :

Product Name

: MONOBASIC POTASIUM PHOSPHATE

C.A.S. No.

: 7778-77-0

Molecular Formula

: KH2PO4

Molecular Weight

: 136.10 g/mol


SPECIFICATION

BP

USP

Description

White or almost white powder , crystalline powder , colorless powder or crystalline masses, efflorescent.

White or almost white powder , crystalline powder , colorless powder or crystalline masses, efflorescent.

Appearance of solution

4% w/v Solution is clear and colorless

-

Solubility

Soluble in water , very soluble in boiling water and freely soluble in glycerol.

-

Identification

  • Reaction
  • Reaction
  • Reaction

 


  • A. Solution S is faintly acid
  • B. Reaction of Potassium
  • C. Reaction for Phosphates

 


  • A. Reaction of Potassium
  • B. Reaction for Phosphates

 

pH (4% w/v solution in water)

4.2-4.5

-

Sulphate

NMT 50 ppm.

-

Ammonium

NMT10 ppm.

-

Arsenic

NMT 2 ppm.

NMT 3 ppm

Sodium

NMT 1000 ppm

-

Iron

NMT 10 ppm

-

Sulphate

NMT 300 ppm

-

Chloride

NMT 200 ppm

-

Lead

-

NMT 5 ppm

Heavy Metal

-

NMT 20 ppm

Fluoride

-

NMT 10 ppm

Reducing Substances

The colour of permanganate is not completely discharged

-

Residual Solvents

-

Meets the requirement

Organic volatile impurities

-

Meets the requirement

Insoluble substances

-

Max. 0.2%

Loss on Drying at 1050C

Max. 2.0%

Max. 1.0%

Assay Na2B4O7,10H2O

98.0 % - 100.5

98.0 % to 100.5 %


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