Wholesale O/p-toluene Sulfonic Acid Methyl Ester (optsm) Manufacturer, Cas No. 28804-47-9
Product Name: Methyl o/p-toluenesulfonate; Methyl O/P-Toluene Sulfonate; O/P-Toluene Sulfonic Acid Methyl Ester; Methyl
O/P-Tosylate; OPTSME; OPTSM; MOPTS
CAS No. 28804-47-9
Molecular Formula: C8H10O3S
Molecular Weight: 186.23
EINECS No.: 249-237-3
Technical Specification:
Appearance: Colorless or light yellow clear liquid
Purity: ¥99%
O-TSM: 40-70%
P-TSM: 30-60%
M-TSM: ¤5%
Moisture: ¤0.5%
Free acid: ¤0.2%
OPTSC: ¤0.3%
Ash: ¤0.1%
Usage: Used as a methylation agent of organic synthesis, synthetic dyes, etc.
Packing: 200kg plastic drum or 200kg plastic lined iron drum.
1 141-78-6 Ethyl acetate 2 79-20-9 Methyl Acetate 3 123-86-4 Butyl acetate 4 108-32-7 Propylene carbonate 5 75-12-7 Formamide 6 127-19-5 N,N-dimethylacetamide 7 872-50-4 N-methylpyrrolidin-2-one 8 26171-83-5 1,2-butanediol 9 504-63-2 1,3-Propanediol 10 26761-45-5 2,3-Epoxypropyl neodecanoate 11 57-55-6 Propylene Glycol 12 108-94-1 Cyclohexanone 13 95-47-6 o-xylene 14 2238-07-5 Diglycidyl ether 15 122-60-1 Phenyl glycidyl ether 16 34590-94-8 Dipropylene glycol monomethyl ether 17 110-54-3 Hexane 18 109-99-9 Tetrahydrofuran 19 75-09-2 Dichloromethane 20 110-82-7 Cyclohexane
Supplier: Cashew kernel, cashew husk, cashew shell cake/cashew nut shell oil, cardanol,o p c 53 grade( ordinary portland cement), ammonium nitrate, potassium nitrate, potassium chloride, hexamine, chemicals, gypsum , o p c clinker, semi husked coconut
Buyer: Jute stick charcoal
CAS No. : 5026-62-0 Chemical Formula : C8H7O3 H.S.code : 291619 E No. : E218 Weâ??re Methyl p-hydroxybenzoate Manufacturers, Suppliers and Wholesalers in China.Based on our 15 years in food additives & ingredients market, we have a knowledge of China market and manufacturers. We can help our abroad customers save time selecting good manufacturers and update the current market in China. Methyl p-hydroxybenzoate, E218, CAS No.5026-62-0, also called methyl paraben, is an organic compound manufactured through chemical synthesis, available as White crystalline powder used as antioxidants. Methyl P-Hydroxybenzoate is often used as an anti-fungal food preservative in chewing gum, dairy products, fat spreads, fruit products, etc. It can inhibit drosophilia growth in the larvae and pupae stages. As Methyl p-hydroxybenzoate Manufacturers, Suppliers and Wholesalers in China, we supply Methyl p-hydroxybenzoate food grade FCC,USP,EP. Methyl p-hydroxybenzoate powder Specification ITEM STANDARD Appearance White crystalline powder Purity (on dry base)% 99 Melting point 125-128 Sulphated ash %
P-Toluenesulfonic anhydride CAS NO.: 4124-41-8
Other Name: Ethyl P-Toluene Sulfonate; P-Toluenesulfonic Acid Ethyl Ester; Ethyl Tosylate CAS No: 80-40-0 Molecular Formula :C9H12O3S Product Usage: It can be used in the manufacture of organic synthesis, and also can be used as intermediate of methylation reagent and sensitive material. It also is flexibilizer of cellulose acetate. Check-Point Unit Specifications Appearance -- Colorless To Light Yellow Liquid Purity % min 98 Melting Point °C min 32 Water % max 0.5 P-Toluenesulfonate % max 0.2 P-Toluenesulfonyl Chloride % max 0.3 Ash % max 0.05
P-toluenesulfonic acid Item no.: hl1003 Cas rn: 104-15-4 Einecs: 203-180-0 Synonyms: 4-toluene sulfonic acid, p-methylbenzene sulfonic acid, 4-methyl-benzenesulfonic acid, 4-methylbenzenesulfonic acid, 4-toluenesulfonic acid, acid p-toluenesulfonique Molecular weight: 172.20 Molecular formula: c7h8o3s Appearance: white crystalline powder Specifications: 99%, 97%, 95% Packing: 25 kg/bag 25 kg/bag
Product Name: Sodium Saccharin "Type: Food Additives Origin: China CAS No.: 6155-57-3 AUCO No.: 554 Packing: 25kg bag, 25kg carton, 25kg drum" Items Standard Identification Positive Melting point of �°C 226-230 Appearance White crystal Content % 99.0-101.0 Loss on drying % â?¤15 Ammonium Salts â?¤ 0.0025 Arsenic % â?¤ 0.0002 Benzoate and salicylate No precipitate or violet color appears Heavy metals â?¤ 0.001 Free acid or alkali Complies with BP/USP/EP Readily carbonizable substances Not more intensely colored than reference P-Toluene sulfonamide â?¤ 10ppm O-Toluene sulfonamide â?¤ 10ppm Selenium â?¤ 30 ppm Related substance Complies with BP/USP/EP Clarity and color of solution Colorless, clear Organic volatiles Complies with BP/USP/EP PH value Complies with BP/USP/EP Benzoic acid- sulfonamide 25ppm
Product Name: Sodium Saccharin "Type: Food Additives Origin: China CAS No.: 6155-57-3 AUCO No.: 554 Packing: 25kg bag, 25kg carton, 25kg drum" Items Standard Identification Positive Melting point of �°C 226-230 Appearance White crystal Content % 99.0-101.0 Loss on drying % â?¤15 Ammonium Salts â?¤ 0.0025 Arsenic % â?¤ 0.0002 Benzoate and salicylate No precipitate or violet color appears Heavy metals â?¤ 0.001 Free acid or alkali Complies with BP/USP/EP Readily carbonizable substances Not more intensely colored than reference P-Toluene sulfonamide â?¤ 10ppm O-Toluene sulfonamide â?¤ 10ppm Selenium â?¤ 30 ppm Related substance Complies with BP/USP/EP Clarity and color of solution Colorless, clear Organic volatiles Complies with BP/USP/EP PH value Complies with BP/USP/EP Benzoic acid- sulfonamide 25ppm
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  Product Usage: It's a new type of alkyl aromatics sulfonic acid zinc compound. As a stabilizer & lubricants & activator,it's used in synthetic rubber of PE, PVC, polypropylene nylon, ABS natural rubber, butylbenzene rubber,etc. Compared with any other stearic acid salt, TM has the superior light stability, heat stability and good transparency. It's easy to scattered in plastic and rubber,and can greatly reduce the temperature of decomposition when it's used with AC foaming agent together.  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