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.
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 %
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
Sodium saccharin spray dried powder 100 mesh or Anhydrous, E954, CAS NO. 128-44-9, Other name: Sodium Saccharin Anhydrous, Molecular Formula: C7H4O3NNAS. Sodium Saccharin spray dried powder 100 mesh is used in a wide range of low-calorie and sugar-free food and beverage applications. As an experienced Sodium saccharin spray dried powder manufacturer and supplier, we has been supplying and exporting Sodium Saccharin Dehydrate (with 15% water, CAS number 6155-57-3) and Sodium Saccharin Anhydrous(with 6% water, CAS number 128-44-9) for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Categories Sweeteners Qty in 20' FCL 20000kg Min Order 1000kg Origin China Packaging Factory Packaging or Neutral Certificate ISO, Kosher, Halal, BRC E No. E951 CAS No. 128-44-9 HS Code 292511 Specification FCC/USP/EP Meltion Point of Insolated Saccharin 226-230 Appearance White crystals Content % 99.0-101.0 Loss on Drying % 15 Ammonium Salts ppm 25 Arsenic ppm 3 Benzoate and Salicylate No precipitate or violet color appears Heavy Metals ppm 10 Free Acid or Alkali Complies with BP/USP/DAB Readily Carbonizable Substances Not more intensely colored Than reference P-toluene Sulfonamide 10ppm O-toluene Sulfonamide 10ppm Selenium ppm 30 Related Substance Complies with DAB Clarity and Color Solution Color less clear Organic Volatiles Complies with BP PH Value Complies with BP/USP Benzoic Acid-Sulfonamide 25ppm Mesh size 100mesh The Quality also meets with the standard of FCC/BP/EP and FAO/WHO/JECFA96/E954
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
