Nanjing Jiancheng Chemical Industrial Co.Ltd

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Production of Sodium Propyl Paraben

Sodium Propyl Paraben has broad antibacterial effect on fungus, yeast and bacteria. And the antibacterial effect of Sodium Propyl Paraben is better than Ethylparaben.
It is well-known that Sodium Propyl Paraben is produced by the esterification of P-hydroxy benzoic acid and n-propanol. Mix P-hydroxybenzoic acid and propanol, heat to dissolve, nd add sulfuric acid to continue heating reflux after cooling for 8 hours.
Then, pouring sodium carbonate solution crystallization precipitation filtration, washed to neutral for crude, and then by recrystallization of ethanol products. In preparation, it also can be used instead of sulfuric acid cation exchange resin catalyst.
If you want to know more about Sodium Propyl Paraben and other similar products, you can feel free to visit our company-Nanjing Jiancheng Chemical Industrial Co.Ltd, is one of the largest preservative manufacture in China. The Factory mainly produces all kinds of preservatives, which widely applied in cosmetics, medicine, and food industry.
Our main products are Diazolidinyl urea, Imidazolidinyl urea, Methylparaben, Ethylparaben, Propylparaben, Butylparaben, Bronopol, Allantoin, Germall Plus, JMB, JMC, JMBP and so on. Our products are well exported to all over the world, such as North America, Europe and Southeast Asia, etc.