Products
Professional China L-Theanine Amino Acid - Dichloroacetyl chloride – MingXing
Professional China L-Theanine Amino Acid - Dichloroacetyl chloride – MingXing Detail:
Quality index:
Appearance:Colorless Transparent Liquid
Content: ≥ 99%
Melting point < 25oC
Boiling point: 107-108oC (lit.)
Density: 1.533 g / ml at 20oC
Refractive index N20 / D 1.46 (lit.)
Flash point: 66oC
Instruction:
Used in organic synthesis, pesticide and pharmaceutical intermediates.It is used in the synthesis of vinyl insecticide, wool felting finishing, bleaching, decolorization, preservation, sterilization, disinfection, etc..
Operation precautions: closed operation, pay attention to ventilation. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear self-priming filter gas mask (full mask), rubber acid and alkali resistant clothing and rubber acid and alkali resistant gloves. Keep away from fire and heat source. No smoking in the workplace. Use explosion-proof ventilation system and equipment. Avoid smoke. Prevent the release of smoke and steam into the workplace air. Avoid contact with oxidant, alkali and alcohol. In particular, avoid contact with water. When carrying, it should be loaded and unloaded lightly to prevent the package and container from being damaged. Fire fighting equipment of corresponding variety and quantity and leakage emergency treatment equipment shall be provided. Empty containers may contain harmful substances.
Storage precautions: store in a cool, dry and well ventilated warehouse. Keep away from fire and heat source. Keep the container sealed. It should be stored separately from oxidants, alkalis and alcohols, and mixed storage should be avoided. Fire fighting equipment of corresponding variety and quantity shall be provided. The storage area shall be equipped with leakage emergency treatment equipment and suitable storage materials.
Production method: various process routes can be used in the preparation method. The product can be prepared by the reaction of dichloroacetic acid with chlorosulfonic acid, the reaction of chloroform with carbon monoxide catalyzed by anhydrous aluminum trichloride, the reaction of dichloroacetic acid with phosgene in dimethylformamide, and the oxidation of trichloroethylene. Trichloroethylene and azodiisobutyronitrile (catalyst) were heated to 100 ℃, oxygen was introduced, and the reaction was carried out under the pressure of 0.6MPa. The oil bath temperature was maintained at 110 ℃ for 10h, and dichloroacetyl chloride was evaporated under normal pressure. The by-product trichloroethylene oxide can also be converted into dichloroacetyl chloride by the reaction with methylamine, triethylamine, pyridine and other amines.
Packing: 250kg / drum.
Annual capacity: 3000 tons / year
Product detail pictures:
Related Product Guide:
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Professional China L-Theanine Amino Acid - Dichloroacetyl chloride – MingXing , The product will supply to all over the world, such as: Lahore, Poland, Seychelles, All our staffs believe that: Quality builds today and service creates future. We know that good quality and the best service are the only way for us to achieve our customers and to achieve ourselves too. We welcome customers all over the word to contact us for future business relationships. Our products are the best. Once Selected, Perfect Forever!
By Amy from South Korea - 2018.06.12 16:22
In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
By Sabrina from Buenos Aires - 2018.12.11 11:26
