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经验公式(希尔记法):
Br2
化学文摘社编号:
分子量:
159.81
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12141915
EC Number:
231-778-1
MDL number:
Assay:
98.0-102.0% (by Na2S2O3, titration)
Grade:
reagent grade
InChI key
GDTBXPJZTBHREO-UHFFFAOYSA-N
InChI
1S/Br2/c1-2
SMILES string
BrBr
grade
reagent grade
vapor density
7.14 (vs air)
vapor pressure
175 mmHg ( 20 °C), 671 mmHg ( 55 °C)
assay
98.0-102.0% (by Na2S2O3, titration)
Quality Level
resistivity
7.8E18 μΩ-cm, 20°C
bp
58.8 °C (lit.)
mp
−7.2 °C (lit.)
density
3.119 g/mL at 25 °C (lit.)
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General description
溴在海洋活动产生的低层大气中以气态形式存在,并且是含铅汽油燃烧产生的一种副产物。它被广泛用作溴化剂。
Application
溴可用于催化:
- 用氯胺-T对烯烃进行氮杂环丙烷化以形成 N-甲苯磺酰基氮丙啶。
- 在连续流动系统中将环氧化物和CO2 转化为环状碳酸酯。
溴可用作制备如下化合物的反应物之一:
- 醌
- α,β-二溴琥珀酸
- (Z)-乙基-2-溴-5-(三甲基甲硅烷基)-戊-2-烯-4-炔酸乙酯
- α,α′-二溴-2′,4′-二硝基-2(或3或4)-(乙酰氧基)联苄
- 二苄基萘酚
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Inhalation - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1A
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
Use of Bromine and Bromo-Organic Compounds in Organic Synthesis.
Saikia I, et al.
Chemical Reviews (2016)
Bromine-catalyzed aziridination of olefins. A rare example of atom-transfer redox catalysis by a main group element.
Jeong JUK, et al.
Journal of the American Chemical Society, 120(27), 6844-6845 (1998)
Reaction of bromine and chlorine with phenolic compounds and natural organic matter extracts-Electrophilic aromatic substitution and oxidation.
Criquet J, et al.
Water Research, 85, 476-486 (2015)
Metal Free Conducting PEDOS, PEDOT, and Their Analogues via an Unusual Bromine-Catalyzed Polymerization.
Patra A, et al.
Macromolecules, 48(24), 8760-8764 (2015)
The chemistry of atmospheric bromine.
Wofsy SC, et al.
Geophysical Research Letters, 2(6), 215-218 (1975)
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