The Product Description of P-Toluene Sulfunic acidEnglish name:P-Toluene Sulfonic acid( PTSA)Molecular formula:C7H8O3SH2O Molecular weight:190.2CAS No.:104-15-4,6192-52-5 Executive standard:Q/320511 XXH01-2001EINECS:203-180-0UN NO.:2585HS NO.:2904100000Technical index::Item/indexmother liquorThe coarse productPharmaceutical gradePharmaceutical graderefined gradeReagent gradeSpecial gradeTotal acidity≥%(sulfonic acid)40-659093/9595/97/9997/9999/Free acid≤%20-403-63/2.52/0.50.7/0.30.1/Moisture(not includingcrystal water )≤%/4-1243.52.31.9/Fe++≤ppm//50302010/Ignition residue≤%///0.20.20.02/Melting point(℃)////100103Alcohol solution test///qualifiedqualifiedqualifiedqualifiedWater solution test///qualifiedqualifiedqualifiedqualifiedColor/whitewhitewhitewhitewhitewhitePacking25 kg /bag, packed inbags, inner with plastics.useIt is mainly used in medicine, pesticides, fuel, such as chemical and detergent industry, also used in plastics and printing and coating industry and so on.