Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Odour
Odourless
Identification (IR Spectrum)
A) Passes
Identification
B) By chemical test
Appearance of Solution
10% w/v solution in water is clear and NMT intensely colored than reference solution YS7
pH (5% aq. solution)
5.9 – 6.3
Chloride (CI)
Max. 100ppm
Heavy metals
Max. 10ppm
Sulphated Ash
NMT. 0.1%
Loss on drying at 105°C
NMT. 0.5%
Assay (On dry basis)
98.5 – 101.5%
Reference
IP 2022
