Disodium Hydrogen Phosphate

Product Description

CHARACTERS White or almost white powder or colourless crystals.

CAS No.: 7558-79-4  

Soluble in water, practically insoluble in ethanol (96%).

TEST SPECIFICATION

Content 98.0% to 101.0% (dried substance)

Identification Complies with EP/BP tests

Appearance of solution Solution S is clear and colourless

Reducing substances The solution retains a slight red colour

Monosodium phosphate Maximum 2.5%

Chlorides Maximum 400 ppm

Sulphates Maximum 0.1%

Arsenic Maximum 4 ppm

Iron Maximum 40 ppm

Heavy metals Maximum 20 ppm

Loss on drying 19.5% to 21.0%