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239607

Sigma-Aldrich

Bromoethane

ReagentPlus®, ≥99%

Synonym(s):

Ethyl bromide

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About This Item

Empirical Formula (Hill Notation):
C2H5Br
CAS Number:
74-96-4
Molecular Weight:
108.97
Beilstein:
1209224
EC Number:
200-825-8
MDL number:
MFCD00000232
UNSPSC Code:
12352100
PubChem Substance ID:
24854383
NACRES:
NA.21

vapor density

~3.75 (vs air)

Quality Level

100

vapor pressure

25.32 psi ( 55 °C)
7.54 psi ( 20 °C)

product line

ReagentPlus®

Assay

≥99%

form

liquid

autoignition temp.

952 °F

expl. lim.

11.25 %

refractive index

n20/D 1.425 (lit.)

bp

37-40 °C (lit.)

mp

−119 °C (lit.)

density

1.46 g/mL at 25 °C (lit.)

functional group

alkyl halide
bromo

SMILES string

CCBr

InChI

1S/C2H5Br/c1-2-3/h2H2,1H3

InChI key

RDHPKYGYEGBMSE-UHFFFAOYSA-N

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Application

  • Inhibition of hydrogen-air mixtures by using chemical vapor additives: Compares the effectiveness of bromoethane and other brominated hydrocarbons in minimizing hydrogen hazards (SK Das et al., 2024).

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Flam. Liq. 2 - Ozone 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-9.4 °F - closed cup

Flash Point(C)

-23 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW6666
MKCV5741
MKCS9921
MKCR1979
MKCP7236

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Microwave Spectrum, Structure, and Quadrupole Coupling Constant Tensor of Ethyl Bromide.
Flanagan C and Pierce L.
J. Chem. Phys. , 38(12), 2963-2969 (1963)
Hiroaki Aoyama et al.
Toxicology and applied pharmacology, 209(3), 226-235 (2005-06-01)
In a 2-year NTP bioassay, Bromoethane (BE) was found to induce endometrial neoplasms in the uterus of B6C3F1 mice [; ]. In women, hormonal influences, such as "unopposed" estrogenic stimulus, have been implicated as important etiologic factors in uterine cancer.
J R Bucher et al.
Toxicology and applied pharmacology, 130(1), 169-173 (1995-01-01)
Chloroethane and bromoethane have been shown to cause a marked uterine tumor response in B6C3F1 mice exposed for 2 years. These chemicals are nearly unique in this regard among the nearly 400 chemicals studied by the National Toxicology Program, and
Mónica Martínez-Avilés et al.
The journal of physical chemistry. A, 111(45), 11652-11660 (2007-10-19)
A mechanism for the atmospheric oxidation of bromoethane is proposed from an ab initio study. Using CCSD(T)/6-311++G(2df,2p)//MP2/6-31G(d) level of theory, the structure and energetics of the 35 species and transition states involved in the atmospheric oxidation of bromoethane are examined.
Kenneth C Westaway et al.
The journal of physical chemistry. A, 112(41), 10264-10273 (2008-09-26)
Nucleophile (11)C/ (14)C [ k (11)/ k (14)] and secondary alpha-deuterium [( k H/ k D) alpha] kinetic isotope effects (KIEs) were measured for the S N2 reactions between tetrabutylammonium cyanide and ethyl iodide, bromide, chloride, and tosylate in anhydrous
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