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| CAS号 : | 302-79-4 |
精确质量 : | 300.20900 |
| 分子式 : | C20H28O2 |
logP : | 5.60260 |
| 分子量 : | 300.43500 |
PSA : | 37.30000 |
维生素A酸 | |
all-trans-retinoic acid | |
302-79-4 | |
C20H28O2 | |
300.43500 | |
37.30000 | |
5.60260 | |
300.20900 |
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黄色-橙色粉末
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350.6ºC
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462.8ºC at 760 mmHg
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179-184ºC
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1.011 g/cm3
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GHS07 | |
警告 | |
H302 | |
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S36/37-S45
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Xn
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R22; R38; R63
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2916209090
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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A.入境货物通关单 B.出境货物通关单 |
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R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验 |
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2916209090 其他(环烷、环烯、环萜烯)一元羧酸(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:9.0% 监管条件:AB(入境货物通关单,出境货物通关单) 最惠国关税:6.5% 普通关税:30.0% |
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2916209090 other cyclanic, cyclenic or cyclotherpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
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本品系体内维生素A的代谢中间产物,主要影响骨的生长和促进上皮细胞增生、分化、角质溶解等代谢作用。用于异常型鱼鳞和异常型银屑病。 |