5-Sulfo-1,2,4-benzenetricarboxylic acid wangna115{at}hotmail.comCAS NO :51307-74-5 molecular formula :C9H6SO9 molecular weight : 290.20 Contents : ≥98.5%Melting point :110.5-112℃ Appearance:White or light yellow crystallinepowder Application:organic pigments ntermediates, Purposes: organic pigment intermediates, used in writing inks, coatings, plastics, cosmetics, and its saturation, solvent resistance, excellent heat resistance.Packaging: 25 kg / cardboard drum