Benzenesulfonic Acid, CAS Number 26158-00-9, Molecular Weight F.W. 158.17, Chemical Formula C6H5SO3H?H2O, Chemical Container Material Clear Glass, Chemical Container Type Bottle, Chemical Grade Reagent, Chemical Container Size 25 g, Chemical Family Type Analytical Reagents, Shelf Life 24 mo, Shipping Restrictions UN2585, Arylsulphonic Acids, Solid, with 5 Percent or Less Free Suplhuric Acid, 8, PG III