Properties

Chloroacetic acid (CAS Number: 79-11-8) is an organochlorine compound with the chemical compound C₂H₃ClO₂. This compound has a monoclinic crystalline structure. It occurs as colorless or white crystals. It has a strong odor like vinegar. Chloroacetic acid is soluble in methanol, acetone, diethyl ether, benzene, chloroform and ethanol. Industries also buy chloroacetic acid as chloro-ethanoic acid and 2-chloroacetic acid.

Production

Chloroacetic acid manufacturers prepare the compound by two methods. The predominant method followed by chloroacetic acid manufacturers involves the chlorination reaction of acetic acid with acetic anhydride as a catalyst. However, this method has drawbacks due to the production of impurities such as dichloroacetic acid and trichloroacetic acid, which are difficult to be separated through distillation. The second method followed by chloroacetic acid manufacturers involves hydrolysis of trichloroethylene.

C₂HCl₃ + 2 H₂O → C₂H₃ClO₂ + 2 HCl

Hydrolysis is performed at a high temperature in a concentrated sulfuric acid solution. This method delivers pure chloroacetic acid, unlike the halogenation method. Chloroacetic acid manufacturers use the hydrolysis method widely, owing to the purity of the product.

Applications

• Chloroacetic acid suppliers supply the compound to produce thickening agents such as agent carboxymethyl cellulose and carboxymethyl starch.
• Manufacturers of pesticides, dyes and drugs buy chloroacetic acid for their manufacturing processes.
• PVC manufacturers buy chloroacetic acid from chloroacetic acid suppliers to use it as a stabilizer. It also finds applications as component in cosmetics.
• Chloroacetic acid suppliers supply the compound for organic chemistry uses.
• Food industries buy chloroacetic acid for use in coloring, flavoring and extracts.

Safety

Chloroacetic acid is a hazardous alkylating agent, which can affect the cellular energy production by easily penetrating through the mucous membranes and skin. Dermal exposure to high concentration appears after a few hours through systematic poisoning. Exposure to more than 6% of the body surface could be fatal. In the event of exposure to the compound, the affected area must be immediately decontaminated with bicarbonate solution or water so that the acid can be neutralized to prevent further skin absorption. Industries that buy chloroacetic acid, chloroacetic acid suppliers and chloroacetic acid manufacturers, all are subject to strict reporting requirements, where production, storage and compound use takes place.

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