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86760

Sigma-Aldrich

1,1,2,2-Tetrabromoethane

purum p.a., for separation (of mineral compounds), ≥98.0% (GC)

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Synonym(s):
Acetylene tetrabromide, Muthmanns liquid, TBE
Linear Formula:
Br2CHCHBr2
CAS Number:
Molecular Weight:
345.65
Beilstein:
1098321
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

grade

for separation (of mineral compounds)
purum p.a.

Quality Level

vapor density

11.9 (vs air)

vapor pressure

0.1 mmHg ( 20 °C)

Assay

≥98.0% (GC)

form

liquid

autoignition temp.

635 °F

refractive index

n20/D 1.637 (lit.)
n20/D 1.637

bp

119 °C/15 mmHg (lit.)

mp

−1-1 °C (lit.)

density

2.967 g/mL at 25 °C (lit.)

SMILES string

BrC(Br)C(Br)Br

InChI

1S/C2H2Br4/c3-1(4)2(5)6/h1-2H

InChI key

QXSZNDIIPUOQMB-UHFFFAOYSA-N

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Application

1,1,2,2-Tetrabromoethane (TBA) is a heavy liquid used for the density separation of minerals. The mixture of TBA, toluene, and tetrachloroethylene can be used for gravity separation.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Physical and chemical characterization of coal particles used as entrained flow gasifier feedstock: Heterogeneity in mineral matter distribution
Soundarrajan, N, et al.
Energy Procedia, 14, 1735-1740 (2012)
Ilan Hurwitz et al.
Optics express, 28(3), 3803-3810 (2020-03-04)
Low frequency Raman spectroscopy resolves the slow vibrations resulting from collective motions of molecular structures. This frequency region is extremely challenging to access via other multidimensional methods such as 2D-IR. In this paper, we describe a new scheme which measures
Bradley M Patterson et al.
Environmental science & technology, 41(4), 1352-1358 (2007-06-28)
On the basis of a combination of laboratory microcosm experiments, column sorption experiments, and the current spatial distribution of groundwater concentrations, the origin of a mixed brominated ethene groundwater plume and its degradation pathway were hypothesized. The contaminant groundwater plume
D L Wolff
Acta biologica et medica Germanica, 41(10), 945-952 (1982-01-01)
The LD50, the spontaneous locomotor activity, and the circadian rhythm of mortality were determined in male ICR-mice following intraperitoneal injection of 1,1,2,2-tetrabromoethane. By solving the substance in ethanol its toxicity increased significantly, in case of the LD50 by the factor
Zhaojiang Guo et al.
Journal of invertebrate pathology, 126, 21-30 (2015-01-18)
The Gram-positive bacterium Bacillus thuringiensis (Bt) produces Cry toxins that have been used to control important agricultural pests. Evolution of resistance in target pests threatens the effectiveness of these toxins when used either in sprayed biopesticides or in Bt transgenic

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