http://www.ec21.com/ec-market/p-toluene.html http://qqaassww1.en.ec21.com/P_Toluene_Sulfonic_Acid_PTSA--3319790_3333371.html Molceular Formula: C 7 H 8 O 3 S Molecular mass: 172.2 Technical Index: Appearance: Colorless to clear20090211 http://flora1986.en.ec21.com/Sodium_P_Toluene_Sulfonate--3068905_3069305.html Product name: sodium p-toluene sulfonate Molecular formula: C7H7SO3Na Molecular weight: 194.14 Appearance: whi20081209 http://zhejiahua.en.ec21.com/P_Toluene_Sulfonamide--1447356_1447454.htmlCAS :70-55-3 Appearance white crystalline powder Specification purity % min , 99.0 Moisture ,% max , 0.3 Chloride (Cl) 20060808 http://karryli053.en.ec21.com/Sodium_Saccharin--3768005_3768125.htmlP-toluene sulfonamide 10 ppm 7ppm O-toluene sulfonamide 10ppm 7ppm Selenium ppm 30 6ppm Related substance Complies with20091110 http://hy3919083.en.ec21.com/Organic_Chemicals--1326235_1326320.htmlTOLUENE(PNT) POTASSIUM TARTRATE P-PHENTIDINE P-PHENYLENE DIAMINE(PPD) P-TERT-BUTYL BENZOIC ACID P-TOLUENE SULFONIC20091103 http://zoeychen.en.ec21.com/Saccharine_Sodium--3657855_3657856.htmlP-toluene sulfonamide 10ppm O-toluene sulfonamide 10ppm Selenium ppm 30ppm Related substance Complies with Clarity an20090708 http://vardayini.en.ec21.com/Para_Toluene_Sulphonyl_Chloride--3306008_3306009.htmlP-Toluene sulfonyl Chloride is (Stab le/Pure grade) used as an intermediate for the synthesis of dyes and pigments. It 20090105 http://riveryu912.en.ec21.com/Sodium_Saccharin--3091522_3091785.html Conforms O-& P-Toluene Sufonamide 0.0010% max Readily carbonized substances: Lower than standard 20081021 http://afecoltd.en.ec21.com/Sodium_Saccharin--1766455_2441807.htmlP-toluene sulfonamide: 10ppm max O-toleene sulfonamide: 10ppm max Selenium: 30ppm max Related substance: complies with 20071111 http://honorich1.en.ec21.com/Sodium_Saccharin--1977636_1878634.htmlp-toluenesulphonamide: 10ppm of each (max.) Heavy metals: 20ppm (max.) Water: not more than 15.0% w/w Assay: 99 - 1020081211 http://judith540.en.ec21.com/Ptsa--2354781_2354814.htmlPTSA(P-Toluene Sulfonic Acid) Physical Property: Melting Point:Approx.96-102°C Boiling Point:140°C( 20mmHg ) 20071016 http://who1235.en.ec21.com/Tri_methyl_Acetic_Acid--1332825_1332904.htmlP-Toluene Sulfonic Acid 25kg500g 5 Sodium P-Toluene Sulfonic Acid 25kg500g 6 Di methylamino thiocarbonyl chlorine 25kg520060603