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Merck
CN
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About This Item

CAS Number:
分子量:
159.81
MDL编号:
UNSPSC代码:
12352300
EC索引号:
231-778-1
NACRES:
NA.22
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蒸汽压

233 hPa ( 20 °C)

质量水平

表单

liquid

反应适用性

reagent type: oxidant

运动粘度

0.314 cSt(20 °C)

沸点

58.8 °C/1013 hPa

mp

-7.3 °C

溶解性

35 g/L

密度

3.12 g/cm3 at 20 °C (liquid)

储存温度

15-25°C

SMILES字符串

[Br-]

InChI

1S/BrH/h1H/p-1

InChI key

CPELXLSAUQHCOX-UHFFFAOYSA-M

一般描述

for synthesis

应用

Bromine can be used as an oxidizing agent for the oxidation of:
  • Primary alcohols to either aldehydes or esters and secondary alcohols to give ketones.
  • Alcohols or diols to tetrahydrofurans in the presence of silver(I) salts.
  • Enediol bis-trimethylsilyl ethers to α-diketones.
  • Aldehydes to esters in the presence of alcohol solvents and sodium bicarbonate buffer.
  • Aliphatic and aromatic thiols to disulfides.

Bromine can also be used along with other co-reactants such as hexamethylphosphoric triamide (HMPA) and bis(tributyltin) oxide (HBD) to selectively oxidize secondary alcohols. However, bromine/nickel carboxylates convert 1,4-diols to γ-butyrolactones by selective oxidation of the primary alcohols.

分析说明

Assay (iodometric)≥ 99.0 %AppearanceBrownish-red fuming liquid

警示用语:

Danger

危险声明

危险分类

Acute Tox. 1 Inhalation - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1A

储存分类代码

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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