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Merck
CN

242357

Sigma-Aldrich

二溴乙酸

97%

别名:

2,2-二溴乙酸, DBAA

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About This Item

线性分子式:
Br2CHCOOH
CAS号:
分子量:
217.84
Beilstein:
1700457
EC 号:
MDL编号:
UNSPSC代码:
12352106
PubChem化学物质编号:
NACRES:
NA.22

质量水平

方案

97%

表单

solid

沸点

128-130 °C/16 mmHg (lit.)

mp

32-38 °C (lit.)

密度

2.382 g/mL at 25 °C (lit.)

官能团

bromo
carboxylic acid

SMILES字符串

OC(=O)C(Br)Br

InChI

1S/C2H2Br2O2/c3-1(4)2(5)6/h1H,(H,5,6)

InChI key

SIEILFNCEFEENQ-UHFFFAOYSA-N

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应用

二溴乙酸可用作以下反应的反应物:
  • 通过与醛进行二碘化钐(SmI2) 催化的反应进行(E)-α, β-不饱和羧酸的立体选择性合成。
  • 在NaOH存在的情况下与2-巯基吡啶反应合成双(2-吡啶硫代基)乙酸钠。

其他说明

残留物为一溴乙酸

象形图

CorrosionExclamation mark

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B

储存分类代码

8A - Combustible corrosive hazardous materials

WGK

WGK 3

闪点(°F)

235.4 °F - closed cup

闪点(°C)

113 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Wenbo Jiang et al.
Metabolic brain disease, 32(6), 2009-2019 (2017-08-28)
Dibromoacetic acid (DBA) exsits in drinking water as a by-product of disinfection as a result of chlorination or ozonation processes. Hippocampus and pre-frontal cortex are the key structures in memory formation and weanling babies are more sensitive to environmental toxicant
Eric R V Dickenson et al.
Environmental science & technology, 42(9), 3226-3233 (2008-06-05)
While it is known that resorcinol- and phenol-type aromatic structures within natural organic matter (NOM) react during drinking water chlorination to form trihalomethanes (THMs), limited studies have examined aliphatic-type structures as THM and haloacetic acid (HAA) precursors. A suite of
Lianhui Tao et al.
Toxicological sciences : an official journal of the Society of Toxicology, 87(2), 344-352 (2005-07-15)
Bromodichloromethane (BDCM), chloroform, dibromoacetic acid (DBA), dichloroacetic acid (DCA), and trichloroacetic acid (TCA) are chlorine disinfection by-products (DBPs) found in drinking water that have indicated renal carcinogenic and/or tumor promoting activity. We have reported that the DBPs caused DNA hypomethylation
Shuying Gao et al.
Toxicological sciences : an official journal of the Society of Toxicology, 105(2), 331-341 (2008-07-17)
Dibromoacetic acid (DBA) is a haloacetic acid that is present in drinking water as a by-product of chlorinated disinfection. To evaluate its potential adverse health effects, the immunotoxicological effects of DBA on the thymus and spleen of BALB/c mice were
K J Bodensteiner et al.
Toxicological sciences : an official journal of the Society of Toxicology, 80(1), 83-91 (2004-05-14)
To determine if dibromoacetic acid (DBA) affects ovarian folliculogenesis, four groups of female Dutch-belted rabbits were exposed daily to 0, 1, 5, or 50 mg DBA/kg body weight in drinking water beginning in utero from gestation day 15 throughout life.

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