+CAS NO:69-72-7 +purity:99%-100.5% +model Number: PHAR.grade +appearance:white crystal powder +IUPAC name:2-hydroxybenzoic
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
CERTIFICATE OF ANALYSIS
ITEMS | SPECIFICATION | RESULT |
1. APPEARANCE | WHITE CRYSTAL POWDER | COMPLIED |
2. ASSAY | 99.0-100.5 | 99.41 |
3. M.P.C | 158-161 | 158.7 |
4.CHLORIDE | 100PPM MAX | less than 100 |
5. SULPHATE | 200PPM MAX | less than 200 |
6.LOSS ON DRYING | 0.50% MAX | 0.28 |
7. HEAVY METAL | 20PPM MAX | less than 20 |
8. SULPHATE ASH | 0.10 MAX | 0.049 |
9. APPEARANCE OF SOLUTION | CLEAR & COLOURLESS | COMPLIED |
10.RELATED COMPUNDS | 0.20% MAX | less than 0.20 |
Salicylic Acid Pharma. Grade
