Product Name: P-Toluene Sulfonic acid Formula: C7H8O3SH2O Molecular weight: 190.2 CAS: 104-15-46192-52-5 (Monohydrate) UN No. 2585 Danger class: 8 Specificationssolid, monohydrate: Items Pharma grade Refine grade Purity (as C7H8O3S H2O) % 95.0 98.0 Free acid (as H2SO4) % 3.0 0.3 Water % 3.5 2.3 Iron content ppm 5 5 Residue on burn % 0.2 0.2 Appearance White crystal White crystal Packing: 25KGS woven bag and PE bag inner. /1MT bags .17MT/FCL Specificationsliquid: Items Standard Purity (as C7H8O3S H2O)% around 70% (70�±1.5%, as monohydrate) Free acid (as H2SO4) % 0.3 Iron content 15ppm APHA(color) 50Hazen Odor No Odor PackingISO TANK, 22MT/TANK