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CAS号 : | 68-26-8 |
精确质量 : | 286.23000 |
分子式 : | C20H30O |
logP : | 5.51030 |
分子量 : | 286.45200 |
PSA : | 20.23000 |
维生素A | |
all-trans-Retinol | |
68-26-8 | |
C20H30O | |
286.45200 | |
20.23000 | |
5.51030 | |
286.23000 |
1.641
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黄色至橙色结晶固体
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-26 °C
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137-138
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61-63 °C(lit.)
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0.954 g/cm3
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7.35E-09mmHg at 25°C
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Stable, but light and air sensitive. Incompatible with strong acids, strong oxidizing agents.
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2-8ºC
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GHS07, GHS08 | |
危险 | |
H317; H319; H360; H413 | |
P201; P280; P305 + P351 + P338; P308 + P313 | |
VH6750000
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3
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S36/37-S61-S62
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UN 1208 3/PG 2
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3004500000
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Xn; F; N
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R22; R38
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 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:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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1.天然的维生素A由鱼肝油提取。其中海洋鱼类肝脏提取到的是视黄醇(维生素 | |
1.可以维持视力并且促进骨骼成长,维持上皮结构的完整与健全防止夜盲,提高视力,维护牙齿坚固,促进骨骼生长,促进儿童长高,保持皮肤湿润,保证头发正常生长, 增强抵抗力。 |