... :white crystal powder +IUPAC name:2-hydroxybenzoic white crystal powder, assay:99-100.5%, M.P.:158-161 degree c, Loss ... .1% max, Appearance on solution:clear and colorlessCERTIFICATE OF ANALYSISITEMS SPECIFICATION RESULT1. APPEARANCEWHITE CRYSTAL POWDERCOMPLIED2. ASSAY99.0-100.599.413. M ...