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SODIUM PHOSPHATE MONOBASIC DIHYDRATE

SODIUM PHOSPHATE MONOBASIC DIHYDRATE

Product Details:

X

Product Description

Product Details :

Product Name

: Monobasic Sodium Phosphate Dihydrate

C.A.S. No.

:13472-35-0

Molecular Formula

: NaH2PO4.2H20

Molecular Weight

: 156.01 g/mol


SPECIFICATION

IP

BP

USP

Description

A white powder or colorless crystals.

White, slightly deliquescent crystals or granules.

White, slightly deliquescent crystals or granules.

Solubility

-

Very soluble in water and very slightly soluble in ethanol (96 %).

-

Identification

  • Reaction

  • Reaction



A: It gives reaction of phosphates.

B: It gives reaction of sodium salts.


A : 10 % solution is slightly acidic

B: It gives reaction of Phosphates.

C: It gives reaction of Sodium Salts.


A : Gives reaction of phosphates

B: Gives reaction of sodium salts.


Appearance of solution

-

Solution is clear & Colorless

-

pH

4.1 - 4.5

4.2 - 4.5

4.1 - 4.5

Insoluble Sub.

NMT 0.2 %

-

NMT.0.2 %

Chloride

NMT 140 ppm

NMT 200 ppm

NMT 140 ppm

Sulphate

NMT 1500 ppm

NMT 300 ppm

NMT 1500 ppm

Al , Ca & related -element

Not became turbid when rendered slightly alkaline to litmus paper.

-

Not became turbid when rendered slightly alkaline to litmus paper

Arsenic

NMT 8 ppm

NMT 2 ppm

NMT 8 ppm

Heavy metals

NMT 20 ppm

-

NMT 20 ppm

Water by KF

18.0 % -26.5 %

-

18.0 % -26.5 %

Organic volatile impurities

-

-

Meets the requirement

Residual Solvents

-


Meets the requirement

Iron

-

NMT 10 ppm

-

Reducing substance

-

The color of the permanganate is not completely discharged.

-

LOD ( at 130oC )

-

21.5 %-24.0 %

-

Assay (on dry basis)

98.0 % - 103.0 %

98.0 % - 100.5%

98.0%-103.0%


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