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SODIUM PHOSPHATE DIBASIC DODECAHYDRATE

SODIUM PHOSPHATE DIBASIC DODECAHYDRATE

Product Details:

X

Product Description

Product Details :

Product Name

: SODIUM PHOSPHATE DIBASIC DODECAHYDRATE

C.A.S. No.

: 10039-32-4

Molecular Formula

: Na2HPO4.12H2O

Molecular Weight

: 358.1 g/mol


SPECIFICATION

IP

BP

USP

Description

Colorless, transparent crystals; very efflorescent.

Colorless, transparent crystals; very efflorescent.

Colorless, transparent crystals; very efflorescent.

Appearance of Solution

(10 % w/v )Solution should be clear and colorless

(5 % w/v )Solution should be clear and colorless

Solution should be clear and

colorless

Identification

  • Reaction

  • Reaction



A: Gives reaction of phosphates.

B : Gives reaction of sodium salts


A : Solution S is slightly Alkaline

B : Passes water Test

C: Gives reaction of phosphates

D: Gives reaction of sodium.


A: Gives reaction of phosphates.

B : Gives reaction of sodium

Solubility

-

Very Soluble in water, practically in soluble in ethanol (96%)

-

Insoluble Substances

-

-

NMT 0.4%

Arsenic

NMT 2 ppm

NMT 2 ppm

NMT 16 ppm

Chloride

NMT 250ppm

NMT 200 ppm

NMT 600

Sulphate

NMT 600ppm

NMT 500 ppm

NMT 2000 ppm

Iron

NMT 20ppm

NMT 20 ppm

-

Reducing substances

The red color is not completely discharge

The red color is not completely discharge

-

Residual solvents

-

-

Meets the requirement

Mono Sodium Phosphate

-

NMT.2.5%

-

Sodium dihydrogen phosphate

Ratio NMT 0.025

-

-

Heavy Metal

NMT 10 ppm

-

NMT. 20 ppm

Loss on drying(at 130oC)

-

-

55.0%-64.0 %

Water

57.0 % - 61.0 %

57.0 % - 61.0 %

-

Assay

98.0% - 101.0 %

98.5% - 102.5 %

98.0% - 100.5%


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