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.

Wy hawwe in protte heechweardige fabriken mei djippe gearwurking, dy't jo produkten fan hege kwaliteit en konkurrearjende prizen kinne leverje. En wy kinne ek jouwe koartingen foar bulk oankeapen.En wy gearwurkje mei in protte profesjonele frachtferfier bedriuwen, kinne leverje produkten feilich en soepel oan jo hannen. Levertiid is sawat 3-20 dagen nei befêstiging fan betelling.

1. Binne jo in fabryk of in hannelsbedriuw?
Wy binne in bedriuw dat yndustry en hannel yntegrearret, en leveret ien-stop service.OEM koe wurde akseptearre.

2. Biede jo samples? Is it fergees of ekstra?
Fergees samples. De frachtfergoeding fan 'e stekproef moat troch jo kant betelle wurde.

3. Hawwe jo sertifikaten yn ferbân mei kwaliteitskontrôle?
ISO 9001: 2008-sertifikaasje om kwaliteit te garandearjen.

4. Wat moat ik leverje om in offerte te krijen?
Pls ynformearje ús oer it produkttype dat jo nedich binne, bestellingskwantiteit, adres en spesifike easken.

5. Hokker soarte fan betelling metoade jo leaver? Hokker soarte betingsten wurde akseptearre?
Akseptearre leveringsbetingsten: FOB, CFR, CIF, EXW;
Akseptearre betellingsfaluta: USD;
Akseptearre betellingstype: T / T, Western Union; Paypal, Trade Assurance.
Sprektaal: Ingelsk.