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| CAS号 : | 38870-89-2 |
精确质量 : | 107.99800 |
| 分子式 : | C3H5ClO2 |
logP : | 0.39820 |
| 分子量 : | 108.52400 |
PSA : | 26.30000 |
甲氧基乙酰氯 | |
Methoxyacetyl chloride | |
38870-89-2 | |
C3H5ClO2 | |
108.52400 | |
26.30000 | |
0.39820 | |
107.99800 |
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透明无色至黄色液体
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n20/D 1.419(lit.)
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84 °F
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2-8ºC
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<-40ºC
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1.19 g/mL at 20 °C
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起反应
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112-113 °C(lit.)
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II
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8
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2918990090
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UN 2920 8/PG 2
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3
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R10; R34; R36/37
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S26-S36/37/39-S45-S25-S16
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C
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HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives |
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品名, 成分含量, 用途 |
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2918990090. 其他含其他附加含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 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:30.0% |
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2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
其制备方法是在反应瓶中投入甲醇和片状NaOH，回流反应30min，然后，冷却加入一定量的氯乙酸，升温反应2h，回流结束后蒸去甲醇，然后共沸脱水，待水脱尽后，再冷却到10℃以下，加入甲苯和SOCl2为酰化剂，在45℃左右反应1h，冷却到20℃，经后处理，蒸馏得到产品。CH3ONa+ClCH2COOH→CH3OCH2COONaCH3OCH2COONa+SOCl2→ CH3OCH2COCl+NaCl+SO2↑ | |
甲氧基乙酰氯是杀菌剂恶霜灵、甲霜灵的中间体 |
