1-溴-4-氯丁烷

1-溴-4-氯丁烷

1-Bromo-4-chlorobutane

6940-78-9

C4H8BrCl

171.46300

0.00000

2.40030

169.95000

n20/D 1.4875(lit.)

透明至略黄色液体

140 °F

80-82 °C30 mm Hg(lit.)

1.488 g/mL at 25 °C(lit.)

SLIGHTLY SOLUBLE

Stable under normal temperatures and pressures.

Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.

3

29034980

3

S23-S24/25-S37/39-S26

III

UN 1993 3/PG 3

Xi

R36/37/38

2933990090

2933990090. 其他仅含氮杂原子的杂环化合物. 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:20.0%

2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

<p>在装有搅拌、回流管、导气管及温度计的3L四口瓶中加(10mol)THF,1g氯化铝和3ml水,搅拌加热升温℃。然后撤去热源,立即通入氯化氢气体,直到反应物温度温,停止通氯化氢,冷却至0℃,在搅拌下缓慢滴加200mol)三溴化磷。加毕,搅拌加热回流1h。又重新冷却,分出上层有机物,并依次用水300mL×<br>2、饱和碳酸氢钠00mL×<br>2、水300mL洗涤,无水CaCl2干燥。过滤后减压收集80~82℃(4kPa)的馏分,得产品1063g,收率62%。</p>

<p>用作医药、香料及其他有机合成中间体。</p>