您好，欢迎来到魔法化学网！
| CAS号 : | 140-03-4 |
精确质量 : | 354.27700 |
| 分子式 : | C21H38O4 |
logP : | 5.73850 |
| 分子量 : | 354.52400 |
PSA : | 52.60000 |
2-乙酰氧-9-十八烯酸甲酯[R-(Z)- | |
O-ACETYLRICINOLEIC ACID METHYL ESTER | |
140-03-4 | |
C21H38O4 | |
354.52400 | |
52.60000 | |
5.73850 | |
354.27700 |
|
1.459
|
|
|
198ºC
|
|
|
1.51E-07mmHg at 25°C
|
|
|
-26ºC
|
|
|
185 C 2mm
|
|
|
185ºC 2mm
|
|
2918990090
|
HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives |
|
品名, 成分含量, 用途 |
|
2918990090. 其他含其他附加含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
|
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
将蓖麻油混合脂肪酸和丙酮加入反应釜，搅拌溶解并冷却至-29～-15℃，过滤除去饱和酸，然后在-70℃反复重结晶而得蓖麻酸。将蓖麻酸和甲醇酯化，然后用乙酸酐进行乙酰化即得本品。 | |
用于食品包装用塑料薄膜的增塑剂，橡胶软化剂。还作为食品添加剂作口香糖基质。 |
