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The English name of Ethylparaben
English synonyms: p-hydroxy benzoic acid ethyl ester;P-hydroxy benzoic acid ethyl ester (neper Jin Yi ester);Neper gold A;Neper Jin Yi ester;The neper gold, A4 - hydroxy benzoic acid ethyl ester;4 - hydroxy benzoic acid ethyl ester;P-hydroxy benzoic acid ethyl ester;Ethyl benzene
Molecular formula C9H10O3
The molecular weight of 166.17
The CAS login number 120-47-8
EINECS registration number 204-399-4
Melting point DHS C. 115-118
Boiling point DHS C. 297-298
Content of 99%
Specifications 25 kilogram cardboard barrels
Quality requirements QB
Packing 25 kg/barrel
Properties: white crystalls or crystal powder, special aroma.Soluble in ethanol, ether and acetone, slightly soluble in water, chloroform, carbon disulfide and petroleum ether.
use
1, used as food preservatives, also used in pharmaceutical, leather and other industries
2, p-hydroxy benzoic acid esters of mold and yeast, strong inhibition of bacteria especially on the role of lactic acid bacteria and gram negative bacilli is poorer, but strong antibacterial ability than that of sorbic acid and benzoic acid, and antibacterial effect affected by the PH is not big, within the scope of the PH4-8 effect are good.P-hydroxy benzoic acid esters, the longer the alkyl the stronger the antibacterial effect, followed by butyl > ethyl propyl ester >.P-hydroxy benzoic acid esters is one of the world widely used preservatives.The biggest usage rules used in pastry filling, 0.5 g/kg (in p-hydroxy benzoic acid, similarly hereinafter);In the juice (taste) (not including cans) beverages, fruit jam, soy sauce, sauce in the maximum amount of 0.25 g/kg;The biggest usage in carbonated drinks, egg yolk paste, 0.2 g/kg;In the vinegar maximum utility of 0.1 g/kg;The biggest usage in fresh-keeping of 0.012 g/kg.
3, preservatives.Countries use the ethyl and propyl ester, more but Japan often makes its butyl ester.Because of the poorly soluble in water, reason often will ester kind share.
4, organic intermediates.As an antiseptic and antibacterial agent, used in food, cosmetics.Also can be used as organic analytical reagent.The goods of mold, yeast and bacteria have a wide range of antibacterial effect, the strong function of mold and yeast, but the bacteria especially for gram-negative bacilli, and the function of lactic acid bacteria was poor.Is the food and drug efficient antiseptic fungicide.
Our advantage:
1,We specialize in veterinary medicine and other chemical powders for more than 10 years,have rich experience inthis field.
2,Over 90% of powders are exported to North America , European, Southeast Asia ,Africa and South America , and are welcomed and trusted by the customer with ourexcellent product and competitive price.
3,Package:We have professional team to pack your items with professional materials,itis 100% safe.
4,Delivery:Most powders we have mass stock,package can be send within 24hours afteryour order,of course,will tell you the packing details and tracking detailsasap.Usually it takes about 3-6 business days from China to your doorstep.
5,Service:we will always send you top quality products with very competitive price.
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