4-Hydroxycoumarin manufacturer high purity 4-Hydroxycoumarin 99% 4-Hydroxycoumarin
Our company is an excellent producer and supplier of 4-Hydroxycoumarin in China who's name is Luotian Xinpusheng pharmaceutical Co.,Ltd.. Our factory is the largest and most authoritative producer of 4-Hydroxycoumarin in China. Our monthly production capacity of 4-Hydroxycoumarin is 5 tons.
Physical properties: white acicular crystals, melting point 210 - 216 C. The industrial products are white or light yellow solid powder with melting point of 210 - 216 C. The industrial products are white or light yellow solid powder with melting point of 210 - 212 C. It is slightly soluble in cold water, hot water, ethanol, ether and other organic solvents. There are many synthetic routes of 4-hydroxycoumarin. The common production methods in industry are: Clyson condensation of methyl acetylsalicylate under alkaline catalyst condition; reaction and condensation of acetylacetate with acetylsalicylchloride.
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