Sodium Phosphate Dibasic Heptahydrate

Product Name

: SODIUM PHOSPHATE DIBASIC HEPTAHYDRATE

C.A.S. No.

: 7782-85-6

Molecular Formula

: Na₂HPO₄.7H₂O

Molecular Weight

: 268.07 g/mol

Specification

USP

Description

Colorless ,transparent crystals; very efflorescent.

Appearance of Solution

Solution should be clear and

colourless

Identification

• Reaction
• Reaction

A : Gives reaction ofphosphates.

B : Gives reaction of sodium

Insoluble Substances

NMT 0.4%

Arsenic

NMT. 16 ppm

Chloride

NMT. 600

Sulphate

NMT. 200 ppm

Residual solvents

Meets the requirement

Heavy Metal

NMT. 20 ppm

Loss on drying(at 130^oC)

43.0 %-50.0 %

Assay

98.0% - 100.5%