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| CAS号 : | 22677-21-0 |
精确质量 : | 101.04800 |
| 分子式 : | C4H7NO2 |
logP : | -0.80400 |
| 分子量 : | 101.10400 |
PSA : | 49.33000 |
(R)-(+)-4-羟基-2-吡咯烷酮 | |
(4R)-4-hydroxypyrrolidin-2-one | |
22677-21-0 | |
C4H7NO2 | |
101.10400 | |
49.33000 | |
-0.80400 | |
101.04800 |
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白色至淡黄色晶体粉末
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1.513
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173.7ºC
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9.26E-07mmHg at 25°C
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156-160ºC
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1.292 g/cm3
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363.6ºC at 760 mmHg
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2933790090
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3
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R36/37/38
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S26
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Xi
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品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期 |
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2933790090 其他内酰胺. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:9.0% 普通关税:20.0% |
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2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
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2933790090. Other lactams. General tariff: |
