+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 colorlessCERTIFICATE OF ANALYSISITEMS SPECIFICATION RESULT1. ...