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| CAS号 : | 57-71-6 |
精确质量 : | 101.04800 |
| 分子式 : | C4H7NO2 |
logP : | 0.42550 |
| 分子量 : | 101.10400 |
PSA : | 49.66000 |
二乙酰一肟 | |
Diacetylmonoxime | |
57-71-6 | |
C4H7NO2 | |
101.10400 | |
49.66000 | |
0.42550 | |
101.04800 |
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白色结晶粉末
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1.452
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Stable. Incompatible with strong oxidizing agents.
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185-186°C
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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75-78 °C(lit.)
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1.07 g/cm3
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5 g/100 mL (20 ºC)
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185-186 °C(lit.)
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29280090
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3
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R20/21/22; R36/37/38
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S22-S24/25-S36/37/39-S26
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EK3150000
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Xn
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HS:29280090.Other Organic derivatives of hydrazine or of hydroxylamine. General tariff:6.5% |
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HS:29280090.Organic derivatives of hydrazine or of hydroxylamine. General tariff:10.0% |
1.由甲基乙基酮与亚硝酸乙酯反应而得。在反应锅中加入甲基乙基酮;盐酸,立即通入亚硝酸乙酯气体。保持在40-55℃反应至气体通完。减压蒸去反应生成的乙醇,至90℃停止蒸馏,得丁二酮单肟。收率82-87%。 | |
1.医药中间体。分析试剂。 |
