Other Name 4,4'-Oxybis(Benzenesulfonyl Chloride); P,P’-Oxybis(Benzenesulfonyl Chloride); 4,4’-Bis(Chlorosulfonyl)Diphenyl Ether; OBSC CAS NO. 121-63-1 Molecular Formula C12H8Cl2O5S2 H.S.CODE 2904909090 Check-Point Unit Specifications Appearance --- White Crystal Powder White Crystal Powder Purity % min 98 85 Melting Point °C min 127 126 Free Water % max 0.3 15 Free Acid % max 0.2 0.5

Packing 25kgnet fibre drumor 40kg net fibre drum Product Usage It's used for lubricant stuffing, flame retardants and AC foaming agent, Activator could evidently improve product performance. This product non-toxic, do not belong to dangerous goods. Class Or Division Dangerous Goods UN Number Packing Group G/C -- -- Check-Point Unit Specifications Appearance -- White Powder Purity % min 98 Free Water % max 0.5 Melting Point °C 216-222 Ash % 20-28

Class Or Division Dangerous Goods UN Number Packing Group 3 1993 III Check-Point Unit Specification Appearance -- Colorless To Light Yellow Liquid Purity % min 85 95 98 Water % max 15 5 2 Diethylamine % max 1.0 0.5 0.3 Colority APHA max 70 70 70

Class Or Division Dangerous Goods UN Number Packing Group G/C -- -- Check-Point Unit Specifications Appearance -- White Powder Purity % min 98 Water % max 1.0 PH -- 7.0-10.0 Insoluble Matter In Water 10% max 0.05 Heavy Metal ppm max 10 Iron ppm max 10 Sulfate % max 1.0 Chloride % max 1.0 Carbonate % max 0.05

Class Or Division Dangerous Goods UN Number Packing Group G/C -- -- Check-Point Unit Specifications Appearance -- White Crystalline Powder Purity % min 98 Loss On Drying % 25-35 PH -- 8.0-10.0 Insoluble Matter In Water（H2O 20% Soln） -- clear & colorless Heavy Metal ppm max 20 Sulfate % max 0.2 Chloride % max 0.5 Iron ppm max 10

Class Or Division Dangerous Goods UN Number Packing Group 8 3261 Ⅱ Check-Point Unit Specifications Appearance -- Colorless To Light Yellow Liquid Purity % min 98 Melting Point °C min 24 Water % max 0.3 P-Toluenesulfonate % max 0.2 P-Toluenesulfonyl Chloride % max 0.3 Ash % max 0.05

CAS No 1338-51-8 Packing 25kg woven bag Check-Point Unit Specifications Appearance --- White To Pale Yellow Lucency Horniness Resin Softening Point °C 59-67 Colority (25%butyl acetate) APHA max 50 Index Of Refraction -- 1.42-1.44 Turbidity(25%butyl acetate) max 20 Free Formaldehyde % max 0.2 Ash % max 0.1 Water % max 0.5 Acid Value KOHmg/g max 1.0

CAS No 25035-71-6 Check-Point Unit Specifications Appearance - Pale Yellow Lucency Stiff Liquid Assay % 78~82 Butyl Acetate Content % 18-22 Acid Value KOHmg/g max 0.6 Colority (In 25% Butylacetate Solution) APHA max 40 Turbidity(In 25% Butylacetate Solution) APHA max 20 Free Formaldehyde % max 0.2 Viscosity (25°C) m Pa·s 7000-20000 Ash % max 0.2

CAS No 123-08-0 Check Point Unit Specifications Appearance -- Light Yellow Crystalline Powder White Crystalline Powder Purity % min 99 99.5 Melting Point °C min 114.5-117 115.5-117 Water % max 0.5 0.3

Check Point Unit Specifications Appearance -- Light Yellow Crystalline Powder White Crystalline Powder Purity % min 99 99.5 Melting Point °C min 114.5-117 115.5-117 Water % max 0.5 0.3

Other Name N-Ethyl-OPTSA; NETSA; N-Ethyl-Ortho Para Toluene Sulfonamide CAS No 8047-99-2 Molecular Formula C9H13NO2S Packing 200kg of coated PVE drum or 1000kg IBC Dangerous Goods UN Number Packing Group G/C -- -- Check-Point Unit Specifications Appearance --- Straw Yellow Lucency Liquid Purity % min 99 Ash % max 0.2 Water % max 0.4 Colority APHA max 130 Free Acid % max 0.1 Viscosity 25°C，m Pa·s min 250

CAS No 3622-84-2 Packing 200kg iron drum or 1000kg IBC Check Point Unit Specifications Appearance -- Colorless Transparent Liquid Purity % min 99 Acid Value KOHmg/g max 0.1 Water % max 0.1 Colority APHA max 50 Chloride ppm max 100 PH -- 6.9-7.2 Density g/cm3 1.145-1.152 Refractive Index (20°C) -- 1.520-1.526 Viscosity m Pa·s 150-180 Thermal Stability °C/h (N2) max 250

Other Name O-Toluenesulfonamide; O-Toluene Sulphonamide; Ortho Toluene Sulfonamide CAS No 88-19-7 Molecular Formula C7H9NO2S Packing 25kg woven bag Class Or Division Dangerous Goods UN Number Check-Point Unit specification Appearance --- White Crystalline Powder Purity % min 98 Melting Point °C min 153 Water % max 0.5 Colority APHA max 100

Product Usage It can be used for organic synthesis, for example: dyes, saccharin,etc.

Product Usage Used in the manufacture of plasticizer, disinfectant, fungicide, fungicides, wood brightener. Also can be used in the production of synthetic resin, the coating, the fluorescent dye, pharmaceutical, etc.

Product Usage 1) Used in the manufacture of dyes, plasticizer, synthetic resin, nail polish, fluorescence paints and coatings,. 2) Used in organic synthesis. 3) Used in organic glass phenolic resin & polyamide resin and plasticizer of printing ink

Other Name P-Toluene Sulfonyl Semicarbazide; Blowing Agent RA; TSSC; PTSS; Blowing Agent PTSS CAS No 10396-10-8 Molecular Formula C8H11N3O3S Check-Point Unit Specifications Appearance -- White Powder Purity % min 98 Water % max 0.5 Dec.Temp (5°C/min In Air) °C 224-235 Gas Volume In Air ml/g 140-150 Ash % max 0.5 PH ---- 5-8

Other Name P-Toluene Sulfinic Acid Zinc Salt; Zinc P-Toluene Sulfonate Hydrate; Zinc P-Toluenesulphinate; P-Toluenesulfonic Acid Zinc Salt Hydrate; TM; Blowing Agent Activator ZTS CAS No 123334-05-4 Molecular Formula (CH3C6H4SO2)2Zn Check-Point Unit Specifications Appearance -- White Powder Purity % min 98 Water % max 0.5 Melting Point °C max 255 Heavy Metal ppm max 10 Iron ppm max 5 Ash % max 24

Other Name N-Ethyl-PTSA; N-Ethyl-P-Toluenesulfonamide; N-Ethyl Para Toluene Sulfonamide CAS NO. 80-39-7 Molecular Formula C9H13NO2S Check-Point Unit Specifications Appearance --- White Crystalline Powder Purity % min 99 Colority APHA max 30 Water % max 0.4 Melting Point °C 58-62 Ash % max 0.2 Chloride ppm max 100 Acid Vaiue KOHmg/g max 1.6

Other Name O-Toluenesulfonamide; O-Toluene Sulphonamide; Ortho Toluene Sulfonamide CAS No 88-19-7 Molecular Formula C7H9NO2S Check-Point Unit specification Appearance --- White Crystalline Powder Purity % min 98 Melting Point °C min 153 Water % max 0.5 Colority APHA max 100

Other Name N-Chloro Benzenesulfonamide Sodium Salt; Chloramine B Hydrate CAS No 127-52-6 Molecular Formula C6H5SO2NNaCl•xH2O Check-Point Unit Specifications Appearance -- White Crystalline Powder Purity % min 99 Active Chlorine % min 27 PH -- 9-11 Iron ppm max 5 Heavy Metal ppm max 5

Other Name 4,4'-Oxybis(Benzenesulfonyl Chloride); P,P’-Oxybis(Benzenesulfonyl Chloride); 4,4’-Bis(Chlorosulfonyl)Diphenyl Ether; OBSC CAS NO. 121-63-1 Molecular Formula C12H8Cl2O5S2 Check-Point Unit Specifications Appearance --- White Crystal Powder White Crystal Powder Purity % min 98 85 Melting Point °C min 127 126 Free Water % max 0.3 15 Free Acid % max 0.2 0.5

Other Name Sodium P-Toluenesulfinate Tetrahydrate; P-Toluenesulfinic Acid Sodium Salt Tetrahydrate; P-Toluene Sulfinic Acid Sodium•Tetrahydrate CAS No 824-79-3 Molecular Formula C7H7O2SNa•4H2O Check-Point Unit Specifications Appearance -- White Crystalline Powder Purity % min 98 Loss On Drying % max 25-35 PH -- 8.5-9.0 Insoluble Matter In Water?H2O 20% Soln? -- clear & colorless Heavy Metal ppm max 20 Sulfate % max 0.2 Chloride % max 0.5 Iron ppm max 10

Other Name Chloramine-T Trihydrate; N-Chloro-P-Toluenesulfonamide Sodium Salt CAS No 127-65-1 Molecular Formula C7H7SO2NNaCl•3H20 Check-Point Unit Specifications Appearance -- White Powder Purity % min 99 Active Chlorine % min 24.5 PH -- 8-11 Iron ppm max 5 Heavy Metal ppm max 5

Other Name Methyl P-Toluene Sulfonate; Methyl P-Tosylate; P-Toluene Sulfonic Acid Methyl Ester; PTSME; PTSM CAS No 80-48-8 Molecular Formula C8H10O3S Check-Point Unit Specifications Appearance -- Colorless To Light Yellow Liquid Purity % min 98 Melting Point °C min 24 Water % max 0.3 P-Toluenesulfonate % max 0.2 P-Toluenesulfonyl Chloride % max 0.3 Ash % max 0.05

Other Name Sodium P-Toluenesulfinate Tetrahydrate; P-Toluenesulfinic Acid Sodium Salt Tetrahydrate; P-Toluene Sulfinic Acid Sodium•Tetrahydrate CAS No 824-79-3 Molecular Formula C7H7O2SNa•4H2O Check-Point Unit Specifications Appearance -- White Crystalline Powder Purity % min 98 Loss On Drying % max 25-35 PH -- 8.5-9.0 Insoluble Matter In Water?H2O 20% Soln? -- clear & colorless Heavy Metal ppm max 20 Sulfate % max 0.2 Chloride % max 0.5 Iron ppm max 10

Other Name Chloramine-T Trihydrate; N-Chloro-P-Toluenesulfonamide Sodium Salt CAS No 127-65-1 Molecular Formula C7H7SO2NNaCl•3H20 Check-Point Unit Specifications Appearance -- White Powder Purity % min 99 Active Chlorine % min 24.5 PH -- 8-11 Iron ppm max 5 Heavy Metal ppm max 5

Other Name Methyl P-Toluene Sulfonate; Methyl P-Tosylate; P-Toluene Sulfonic Acid Methyl Ester; PTSME; PTSM CAS No 80-48-8 Molecular Formula C8H10O3S Check-Point Unit Specifications Appearance -- Colorless To Light Yellow Liquid Purity % min 98 Melting Point °C min 24 Water % max 0.3 P-Toluenesulfonate % max 0.2 P-Toluenesulfonyl Chloride % max 0.3 Ash % max 0.05

Other Name Benzenesulfinic Acid Zinc Salt Dihydrate; Benzenesulfinic Acid Zinc Salt; Zinc Benzenesulfinate; BM; Blowing Agent Activator ZBS CAS No 24308-84-7 Molecular Formula C12H10O4S2Zn•2H2O Check-Point Unit Specifications Appearance -- White Powder Purity % min 98 Free Water % max 0.5 Melting Point °C 216-222 Ash % 20-28

Other Name Diethyl Hydroxylamine; N,N-Diethyl Hydroxyl Amine; Diethylhydroxylamine; Diethyl Hydroxyl Amine CAS No 3710-84-7 Molecular Formula C4H11NO Check-Point Unit Specification Appearance -- Colorless To Light Yellow Liquid Purity % min 85 95 98 Water % max 15 5 2 Diethylamine % max 1.0 0.5 0.3 Colority APHA max 70 70 70

Other Name Sodium P-Toluenesulfinate; P-Toluene Sulfinic Acid Sodium; P-Toluenesulfinic Acid Sodium Salt Hydrate CAS No 824-79-3 Molecular Formula C7H7O2SNa Check-Point Unit Specifications Appearance -- White Powder Purity % min 98 Water % max 1.0 PH -- 7.0-10.0 Insoluble Matter In Water 10% max 0.05 Heavy Metal ppm max 10 Iron ppm max 10 Sulfate % max 1.0 Chloride % max 1.0 Carbonate % max 0.05

Other Name N-Ethyl-OPTSA; NETSA; N-Ethyl-Ortho Para Toluene Sulfonamide CAS No 8047-99-2 Molecular Formula C9H13NO2S Product Usage It's good plasticizers of polyamide resin and cellulose kind of resin, it has high compatibility for hot melt adhesives, coatings, printing ink. Check-Point Unit Specifications Appearance --- Straw Yellow Lucency Liquid Purity % min 99 Ash % max 0.2 Water % max 0.4 Colority APHA max 130 Free Acid % max 0.1 Viscosity 25°C?m Pa•s min 250

Other Name P-Hydroxy Benzaldehyde; 4-Hydroxybenzaldehyde; Para-Hydroxy Benzaldehyde; PHBA CAS No 123-08-0 Molecular Formula C7H6O2 Check Point Unit Specifications Appearance -- Light Yellow Crystalline Powder White Crystalline Powder Purity % min 99 99.5 Melting Point °C min 114.5-117 115.5-117 Water % max 0.5 0.3

Other Name N-Butyl Benzenesulfonamide; N-Butyl Benzene Sulphonamide CAS No 3622-84-2 Molecular Formula C10H15NO2S Check Point Unit Specifications Appearance -- Colorless Transparent Liquid Purity % min 99 Acid Value KOHmg/g max 0.1 Water % max 0.1 Colority APHA max 50 Chloride ppm max 100 PH -- 6.9-7.2 Density g/cm3 1.145-1.152 Refractive Index (20°C) -- 1.520-1.526 Viscosity mpsa 150-180 Thermal Stability °C/h (N2) max 250

Other Name O/P-Toluene sulphonamide; O/P-Toluenesulfonamide; O/PTSA; Ortho Para Toluene Sulfonamide; Toluenesulfonamide CAS No 1333-07-9; 8013-74-9 Molecular Formula C7H9NO2S Appearance --- White Crystalline Powder Purity % min 99 Water % max 0.3 Colority APHA max 30 Chloride ppm max 100 Sulfate ppm max 100 Ortho/ Para ±5% 40/60 or 30/70 or 20/80

Other Name P-Toluenesulfonamide; P-Toluene Sulphonamide; Para Toluene Sulfonamide CAS No 70-55-3 Molecular Formula C7H9NO2S Check-Point Unit specification Appearance --- White Crystalline Powder Purity % min 99 Melting Point °C min 136 Water % max 0.3 Colority APHA max 20 Chloride ppm max 100 Sulfate ppm max 100

Other Name P-Toluenesulfonyl Chloride; Tosyl Chloride; Para Toluene Sulfonyl Chloride; P-Toluene Sulphonyl Chloride CAS No 98-59-9 Molecular Formula C7H7ClO2S Check-Point Unit Specifications Appearance -- White Crystalline Powder Purity % min 99 Melting Point °C min 67 Loss On Drying % max 0.1 Colority APHA max 20