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| CAS号 : | 107-75-5 |
精确质量 : | 172.14600 |
| 分子式 : | C10H20O2 |
logP : | 2.15270 |
| 分子量 : | 172.26500 |
PSA : | 37.30000 |
羟基香茅醛 | |
hydroxycitronellal | |
107-75-5 | |
C10H20O2 | |
172.26500 | |
37.30000 | |
2.15270 | |
172.14600 |
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n20/D 1.448(lit.)
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透明至淡黄色,粘性液体
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>230 °F
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257 °C(lit.)
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19ºC
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0.923 g/mL at 25 °C(lit.)
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0.00318mmHg at 25°C
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Stable under normal temperatures and pressures.
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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RG7850000
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1
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S26-S39
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I; II; III
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Xi
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R38; R41
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2912491000
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2912491000. 醛醇. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
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2912491000. other aldehyde-alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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HTS: 2912491000 p-Anisaldehyde Rate general: 5.5%32/ Rate special: Free (A,AU,BH,CA,CL,CO,E,IL,J,JO,KR,MA,MX,OM,P,PA,PE,SG) Rate 2: 15.4¢/kg + 36% |
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1.将香茅醛与亚硫酸氢钠在冷却下反应,然后用14%~15%的盐酸溶液,在35℃下进行水合反应,并加入碳酸钠中和剩余的盐酸至物料中含酸量为0.5%~1%为止。先用少量甲苯萃取去除有机杂质,然后在水合物中添加甲苯和干燥的碳酸钠,以分解亚硫酸氢盐,生成的羟基香茅醛为甲苯所萃取。甲苯萃取液先回收甲苯,再减压蒸馏得产品羟基香茅醛。 | |
醛类合成香料。主要用作君影草、百合、水仙、香豌豆、丁香、茉莉等香精的调合香料,也用作香皂香料。但是由于其对皮肤有一定的刺激作用,因此通常采用与乙醛缩二甲醇、乙醛缩二乙醇、氨茴酸甲酯的胺缩合物。广泛用于铃兰、兰花、茉莉、紫丁香等香精中,在香水、香粉等化妆品香精中用量高达20%。在口香糖中使用量为16mg/kg;冷饮中13mg/kg;烘烤食品中10mg/kg;糖果中 4mg/kg;软饮料中 5mg/kg;布丁类中 3mg/kg。 |