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溴丙烷

英文名: 1-bromopropane

CAS: 106-94-5      分子式: C3H7Br

分子量: 122.99200

别名:


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描述

1-Bromo Propane is colorless or light yellow transparent liquid, neutral or slightly acidic, light sensitive, m.p.-110℃,b.p.71℃, relative density 1.357 (20 ℃), n20d 1.4341, can be any proportion with alcohol, ether mixed, slightly soluble in water. 1-Bromo Propane, as an organic synthetic material, is used in the synthesis of organophosphorus insecticidal insecticide, parathion, C-P, C-bromo phosphate, etc., also can be used in medicine, dyestuff, spice industry, as well as the material of the GE reagent, CAS number is 106-94-5. The preparation methods of 1-bromo propane are mainly in the following two kinds. by N-propyl alcohol and hydrobromide reaction. Adding hydrogen bromate into concentrated sulfuric acid and adding N-propyl alcohol to heat reflux 0.5h. In 70-75 ℃, all the generated bromine propane is steamed out, then the concentrated hydrochloric acid is washed, then the sodium carbonate and the ph is 7. Use anhydrous sodium sulfate to dry, filtration, filtrate distillation, collect 69-74 ℃ fractions, obtain bromine propane. The reaction between n-propyl alcohol and sodium bromide. The N-propanol and water and sodium bromide are heated to the reflux, and the 69-72 ℃ drops and sulfuric acid are added, and then the reflux 2h is continued. Distillation, collect 68-100 ℃ distillate, wash with sodium carbonate solution to neuter, then distill, collect 68-76 ℃ distillate namely bromine propane. In addition, in the presence of red phosphorus, propyl alcohol and bromine can also be prepared for the preparation of bromine propane.

基本信息
英文名:
1-bromopropane
CAS号.:
106-94-5
别名:
1-Bromopropane; 1-BROMOPROPANE FOR SYNTHESIS; bromo propane; 1-Brompropan; 1-propyl bromide;
分子式:
C3H7Br
分子量:
122.99200
PSA:
LogP:
1.79130
物化属性
外观:
Colorless Transparent liquid
密度:
1.354 g/mL at 25 °C(lit.)
熔点:
-110 °C
沸点:
71 °C(lit.)
闪点:
72 °F
储存条件:
Warehouse ventilation low temperature dry, with the oxidant separate storage
安全信息
海关编码:
2903399090
WGK Germany:
2
危险类别码:
R11; R36/37/38; R48/20; R60; R63; R67
安全说明:
S53-S45
危险品标志:
F
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