Appearance: Colourless crystalline powder.
Assay: 99.0% to 100.5% I.P./B.P., 99.5% to 101% U.S.P. of C7H6O3 with reference to substance dried over Silica Gel for three hours.
Odour: Almost Odourless
Melting Range: 158.5 0 C to 161.0 0 C
Appearance of Solution/Clarity & Colour of Solution:
Passes test as per B.P./I.P
Sulphated Ash/Residue on Ignition: 0.1% w/w (I.P./B.P.Limit) / 0.05%w/w (U.S.P. Limit)
Chloride: 125 ppm (max.) I.P./100 ppm (max.) B.P.
Sulphate: 0.02% (max.) I.P./140 ppm U.S.P.
Related Substance: Complies with the B.P. test
Loss of Drying: 0.5% (max.) B.P.
Iron: 2 ppm (max.) I.P.
Readily Carbonisable Substance: Passes test
Slightly soluble in water
Freely soluble in ethanol (96%)
Sparingly soluble in methylene chloride
Heavy Metals: 20 ppm (max.)
Pharmaceutical Grade (IP/BP/JP/USP-NF)
Intermediates of dyestuffs and pesticides
NOTE: This product can be manufactured as per customer’s specification and requirements.