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| CAS号 : | 105-34-0 |
精确质量 : | 99.03200 |
| 分子式 : | C4H5NO2 |
logP : | 0.07308 |
| 分子量 : | 99.08800 |
PSA : | 50.09000 |
氰乙酸甲酯 | |
methyl cyanoacetate | |
105-34-0 | |
C4H5NO2 | |
99.08800 | |
50.09000 | |
0.07308 | |
99.03200 |
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n20/D 1.417(lit.)
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3.41 (vs air)
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透明无色至非常淡的黄色液体
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>230 °F
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204-207 °C(lit.)
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-13 °C
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54 g/L (20 ºC)
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1.123 g/mL at 25 °C(lit.)
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0.219mmHg at 25°C
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Stable under normal temperatures and pressures.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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AG4375000
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6.1(b)
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1
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S24/25
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III
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3276
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2926909090
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Xi
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品名, 成分含量, 用途 |
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2926909090 其他腈基化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2926909090. Other Nitrile-function compounds. General tariff:6.5% |
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其制备方法与氰乙酸乙酯制备方法类似,即氰乙酸、甲醇在硫酸存在下作用而得。NCCH2COOH+CH3OH[H2SO4]→NCCH2COOCH3+H2O | |
1.是医药、颜料、农药等中间体。用于与甲醛缩合制成聚2-氰基丙烯酸甲酯经解聚而成a-氰基丙稀酸甲酯,再配成俗称的501瞬干胶。 |
