蒸汽密度
~6.5 (vs air)
质量水平
蒸汽压
11.7 mmHg ( 25 °C)
等级
purum
检测方案
≥98.0% (GC)
形式
liquid
折射率
n20/D 1.539 (lit.)
n20/D 1.539
bp
131-132 °C (lit.)
mp
8-11 °C (lit.)
密度
2.18 g/mL at 25 °C (lit.)
SMILES字符串
BrCCBr
InChI
1S/C2H4Br2/c3-1-2-4/h1-2H2
InChI key
PAAZPARNPHGIKF-UHFFFAOYSA-N
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一般描述
1,2-Dibromoethane (EDB) is a water-soluble dihaloalkane that was widely used as a soil and grain fumigant. This led to the contamination of soil, surface, and groundwater with residual EDB. As it is a potent carcinogen and mutagen, many studies have been conducted to identify chemical reactions for its degradation in the environment.
应用
1,2-Dibromoethane can be used:
- To generate vinyl bromide in situ, which can undergo a palladium-catalyzed cross-coupling reaction with aryl boronic acids to form functionalized styrene derivatives.
- As a brominating agent of tertiary carbanions in sterically hindered molecules.
- As a building block to synthesize 2-arylsulfonyl hydrazones, (±)-horsfiline and 7-oxo-2, 3-dihydro-7H-pyrido [1,2,3-de] [1,4] benzoxazine-6-carboxylic acids.
警示用语：
Danger
危险分类
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
新产品
Reaction products and rates of disappearance of simple bromoalkanes, 1, 2-dibromopropane, and 1, 2-dibromoethane in water
Vogel TM and Reinhard M
Environmental Science & Technology, 20(10), 992-997 (1986)
1,2-Dibromoethane in the synthesis of 2-bromoesters: Bromination vs alkylation.
Ortuno, Rosa M and others
Tetrahedron, 50(32), 9825-9830 (1994)
Complete heterogeneously photocatalyzed transformation of 1, 1-and 1, 2-dibromoethane to carbon dioxide and hydrogen bromide
Nguyen T and Ollis DF
The Journal of Physical Chemistry, 88(16), 3386-3388 (1984)
Persistence of 1, 2-dibromoethane in soils: entrapment in intraparticle micropores
Steinberg SM, et al.
Environmental Science & Technology, 21(12), 1201-1208 (1987)
Synthesis and antibacterial activities of substituted 7-oxo-2,3-dihydro-7H-pyrido [1,2,3-de][1,4] benzoxazine-6-carboxylic acids
Hayakawa I, et al.
Chemical & Pharmaceutical Bulletin, 32(12), 4907-4913 (1984)
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