桂酸甲酯 -------------------------------------------------------------------------------- 桂酸甲酯 英文名：: methyl cinnamate CAS 編號：103-26-4 理化性質: 白色至微黃色結晶，呈櫻桃和香酯似香 質量標準：企業(yè)標準 外觀：白色或微黃色結晶 產品含量：99% 用途：添加到肥皂,香水和化裝品，香精香料原料 包裝規(guī)格：210kg桶裝 methyl cinnamate Methyl cinnamate / Cinnamic acid methyl ester Place of Orign: China Standard: FCC IV Details melting point 33-37 rotation ratio 1.5600-1.5710 specific gravity 1.0-1.15 acidity: 1mgkoh/g CAS#: 103-26-4 Content: 99% Appearance: white or yellowish crystals Packing: in net 210kg carton Quality standard: The product conforms to corporation standard Main purposes: use as solvent, intermediate of organic synthesis and so on Productivity: 100ton per month Unit Price/Payment: Negotiable Naturally: there is in the galangal, basil, bay leaf, daffodils in the. Preparation: cinnamic acid esterification with methanol derived: Uses:: add to soap, perfume and cosmetics, flavor and fragrance raw materials. Mainly used for the preparation of cherry, strawberry and grape flavor. China GB-2760-96 provides for the use of food flavors. for the fragrance industry as a fixative agent, a good fixative effect. Commonly used in the deployment of carnations, oriental floral fragrance for soaps, detergents, flavors and cakes are also used. as an organic synthesis intermediate, mainly used in the pharmaceutical industry. Preparation: the cinnamic acid esterification with methanol derived. The cinnamic acid, a mixture of methanol and sulfuric acid reflux 5h, additional excess methanol. Cooling, points to the acid layer, washed and then washed with 10% sodium carbonate solution, then washed with water to neutral. Crude product by recrystallization or vacuum distillation [collection 132-134 ℃ (2.0kPa) distillate], methyl cinnamate was finished. Yield of about 70%.