4-Hydroxybenzoic acid

4-hydroxybenzoic acid is a colorless crystalline powder. Soluble in ethanol, soluble in ether and acetone, slightly soluble in water and chloroform, almost insoluble in carbon disulfide. Median lethal dose (mouse, oral)2200mg/kg. An irritating substance.

Colorless crystalline powder. Soluble in ethanol, soluble in ether and acetone, slightly soluble in water and chloroform, almost insoluble in carbon disulfide. Median lethal dose (mouse, oral)2200mg/kg. It's stimulating.

【 Use 1 】
Used for the synthesis of dyes, organic and mildewproof agents.

【 Use 2 】
Mainly used in organic synthesis, dyes, spices and other industries, but also for the preparation of high-efficiency preservatives.

【 Use 3 】
P-hydroxybenzoic acid is a widely used organic synthetic raw material, especially its esters, including methyl p-hydroxybenzoate (paraben A), ethyl ester (Paraben B), propyl ester, butyl ester, isopropyl ester, isobutyl ester, can be used as food additives, used in soy sauce, vinegar, cooling drinks (except soda), fruit flavoring agents, fruits and vegetables, pickled products, etc. Also widely used in food, cosmetics, medicine anti-corrosion, anti-mold and fungicide and other aspects. P-hydroxybenzoic acid is also used as an intermediate in dyes and pesticides. It is used in the synthesis of organophosphorus insecticides GYAP and CYP. Color developing agent used in the dye industry for the synthesis of thermal dyes; It can also be used as a raw material for the production of plasticizer in color film and synthetic oil-soluble color modifier "538" and nylon 12. In addition, it is also used in liquid crystal polymers and plastics.

【 Use 4 】
Organic synthesis. Preservative. Bactericide.

Anyị nwere ọtụtụ ụlọ ọrụ dị elu nke nwere nkwado miri emi, nke nwere ike inye gị ngwaahịa dị elu na ọnụ ahịa asọmpi. Anyị nwekwara ike inye ego maka nnukwu ịzụrụ ihe. Anyị na-akwado ọtụtụ ụlọ ọrụ na-ebuga ibu ndị ọkachamara, nwere ike ịnapụta ngwaahịa n'enweghị nsogbu na aka gị. Oge nnyefe bụ ihe dịka ụbọchị 3-20 mgbe nkwenye nke ịkwụ ụgwọ gasịrị.

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