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| CAS号 : | 74-96-4 |
精确质量 : | 107.95700 |
| 分子式 : | C2H5Br |
logP : | 1.40120 |
| 分子量 : | 108.96500 |
PSA : | 0.00000 |
溴乙烷 | |
Bromoethane | |
74-96-4 | |
C2H5Br | |
108.96500 | |
0.00000 | |
1.40120 | |
107.95700 |
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n20/D 1.425(lit.)
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~3.75 (vs air)
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无色液体带有一种像醚的气味
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库房通风低温干燥,与氧化剂、食品添加剂分开存放
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-23 °C
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37-40 °C(lit.)
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-119 °C
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0.91 g/100 mL (20 ºC)
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1.46 g/mL at 25 °C(lit.)
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Stable. Highly flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with alkali metals, aluminium, magnesium, strong bases, water, strong oxidizing agents. May be light sensitive.
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25.32 psi ( 55 °C)
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KH6475000
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6.1
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1
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S36/37
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II
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UN 1891 6.1/PG 2
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F
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R11; R20/22; R40
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2903399090
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品名, 成分含量, 用途 |
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2903399090. 其他无环烃的氟化、溴化或碘化衍生物. 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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2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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HS:2903399090.Fluorinated or iodinated derivatives of acyclic hydrocarbons. General tariff:0 |
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1.由乙醇与溴化钠反应而得:在反应锅内加入40%溴化钠溶液及乙醇,搅拌下加入硫酸,温度不超过50℃。加完后在45-50℃反应2h。蒸馏,馏出液用3%碳酸钠溶液中和,静置2h分取有机相即为溴乙烷。原料消耗定额:乙醇(95%)557kg/t、氢溴酸(48%)1610kg/t、硫酸(92%)1165kg/t。
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有机合成中间体,制冷剂等。 |