P-Toluenesulfonic Acid, CAS Number 6192-52-5, Molecular Weight 172.20, Chemical Formula C7H8O3S�H2O, Chemical Container Material Clear Glass, Chemical Container Type Bottle, Chemical Grade Reagent, Chemical Container Size 500 g, Chemical Family Type Acids, Shelf Life 24 mo, Shipping Restrictions UN2585, Arylsulphonic Acids, Solid, with 5 Percent or Less Free Sulphuric Acid, 8, PG III