Salicylic Acid
white crystal powder, assay:99-100.5%, M.P.:158-161 degree c, Loss on drying:0.5% max, Sulphate: 200ppm max, Chloride: 100ppm max, Heavy metal:20ppm max, Ash:0.1% max, Appearance on solution:clear and colorless.
CERTIFICATEOFANALYSIS
ITEMS
SPECIFICATION
RESULT
1.APPEARANCE
WHITECRYSTALPOWDER
COMPLIED
2.ASSAY
99.0-100.5
99.41
3.M.P.C
158-161
158.7
4.CHLORIDE
100PPMMAX
less than 100
5.SULPHATE
200PPMMAX
less than 200
6.LOSSONDRYING
0.50%MAX
0.28
7.HEAVYmetaL
20PPMMAX
less than 20
8.SULPHATEASH
0.10MAX
0.049
9.APPEARANCEOFSOLUTION
CLEAR&COLOURLESS
COMPLIED
10.RELATEDCOMPUNDS
0.20%MAX
less than 0.20