470864
溴
≥99.99% trace metals basis
别名:
二溴
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关于此项目
经验公式（希尔记法）:
Br2
化学文摘社编号:
分子量:
159.81
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352101
EC Number:
231-778-1
MDL number:
Assay:
≥99.5% (by Na2S2O3, titration), ≥99.99% trace metals basis
InChI key
GDTBXPJZTBHREO-UHFFFAOYSA-N
InChI
1S/Br2/c1-2
SMILES string
BrBr
vapor density
7.14 (vs air)
vapor pressure
175 mmHg ( 20 °C), 671 mmHg ( 55 °C)
assay
≥99.5% (by Na2S2O3, titration), ≥99.99% trace metals basis
resistivity
7.8E18 μΩ-cm, 20°C
impurities
≤0.001% I2, ≤0.001% S compounds, <100 ppm total metallic impurities
evapn. residue
≤0.005%
bp
58.8 °C (lit.)
mp
−7.2 °C (lit.)
density
3.119 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.05%
cation traces
Ni: ≤5 ppm, heavy metals: ≤2 ppm
Quality Level
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Application
溴可用作化学合成中的溴化和氧化试剂。
用于：
用于：
- 在光催化条件下，在苄位溴化烷基苯。
- 在路易斯酸催化剂存在下，通过亲电芳香取代反应制备芳香族化合物。
- 在三卤化磷存在下，通过Hell-Volhard-Zelinski反应在羰基位溴化羰基化合物。
- 在碱存在下，与一级酰胺通过霍夫曼重排反应制备异氰酸酯、甲酸酯或胺类物质。
Other Notes
含有机溴化合物
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Inhalation - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1A
存储类别
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles
法规信息
新产品
此项目有
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Recent laboratory and field-scale experiments demonstrated the potential for brominated industrial solid waste from biomass combustion (Br-Ash) to be an efficient, cost-effective alternative to activated carbon for capturing mercury from coal-fired power plants. To develop this attractive alternative technology to
Bromine-77 and iodine-123 radiopharmaceuticals.
G Stöcklin
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Takanori Iwasaki et al.
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