Sodium Phosphate Dibasic Dihydrate

Product Name

: SODIUM PHOSPHATE DIBASIC DIHYDRATE

C.A.S. No.

: 10028-24-7

Molecular Formula

: Na₂HPO₄.2H₂O

Molecular Weight

: 177.99 g/mol

SPECIFICATION

USP

Description

Colorless, Transparent crystals; very efflorescent.

Appearance of Solution

Solution should be clear and

colorless

Identification

• Reaction

• Reaction

A: Gives reaction of phosphates.

B : Gives reaction of sodium

Insoluble Substances

NMT 0.4%

Arsenic

NMT 16 ppm

Chloride

NMT 600

Sulphate

NMT 2000 ppm

Residual solvents

Meets the requirement

Heavy Metal

NMT 20 ppm

Loss on drying(at 130^oC)

18.5 %-21.5 %

Assay (on Dried Basis)

98.0% - 100.5%