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| CAS号 : | 116-31-4 |
精确质量 : | 284.21400 |
| 分子式 : | C20H28O |
logP : | 5.71690 |
| 分子量 : | 284.43600 |
PSA : | 17.07000 |
视黄醛 | |
all-trans-retinal | |
116-31-4 | |
C20H28O | |
284.43600 | |
17.07000 | |
5.71690 | |
284.21400 |
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黄色粉末
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1.54
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205.4ºC
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2.61E-07mmHg at 25°C
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-20ºC
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61-63°C
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0.948g/cm3
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421.4ºC at 760mmHg
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GHS07 | |
警告 | |
H302; H315 | |
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2912299000
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3
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R22; R38
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S22-S36/37
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VH6407000
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Xn
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品名, 成分含量, 用途, 四聚甲醛报明外观 |
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2912299000. 其他不含其他含氧基的环醛. 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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2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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2912299000. 其他环醛 |
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维生素A在经醇脱氢酶及辅酶Ｉ、ＩＩ的催化，形成顺、反两种视黄醛。 | |
β-胡萝卜素的中间体。 |
