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132942

Sigma-Aldrich

Bromoform

contains 1-3% ethanol as stabilizer, 96%

Synonym(s):

Tribromomethane

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About This Item

Empirical Formula (Hill Notation):
CHBr3
CAS Number:
75-25-2
Molecular Weight:
252.73
Beilstein:
1731048
EC Number:
200-854-6
MDL number:
MFCD00000128
UNSPSC Code:
12352100
PubChem Substance ID:
24848085
NACRES:
NA.22

vapor density

8.7 (vs air)

Quality Level

100

vapor pressure

5 mmHg ( 20 °C)

Assay

96%

form

liquid

contains

1-3% ethanol as stabilizer

refractive index

n20/D 1.595 (lit.)

bp

146-150 °C (lit.)

mp

5-8 °C (lit.)

solubility

water: soluble 800 part
acetone: miscible
alcohol: miscible
benzene: miscible
chloroform: miscible
diethyl ether: miscible
oil: miscible
petroleum ether: miscible

density

2.89 g/mL at 25 °C (lit.)

functional group

bromo

SMILES string

BrC(Br)Br

InChI

1S/CHBr3/c2-1(3)4/h1H

InChI key

DIKBFYAXUHHXCS-UHFFFAOYSA-N

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General description

Bromoform is a major organic source for atmospheric reactive bromine BrOx (Br+BrO). It is formed as a product of chlorination of drinking water. It undergoes photodissociation to form the Br2 fragment and mechanism has been investigated by cavity ring-down absorption spectroscopy.

Application

Bromoform was used to evaluate the genotoxicity of chlorodibromomethane, bromodichloromethane and bromoform.

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

106.3 °F - closed cup - (own results)

Flash Point(C)

41.3 °C - closed cup - (own results)

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

132942-1KG:4548173928647
132942-25G:
132942-VAR:
132942-250G:4548173928654
132942-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV9427
MKCS9626
MKCQ3470
SHBJ3975
SHBH5346V

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Oceanic bromoform sources for the tropical atmosphere.
Quack B, et al.
Geophysical Research Letters, 31(23), 1-4 (2004)
Hong-Yi Huang et al.
The Journal of chemical physics, 121(11), 5253-5260 (2004-09-09)
By using cavity ring-down spectroscopy technique, we have observed the channel leading to Br(2) molecular elimination following photodissociation of bromoform at 248 nm. A tunable laser beam, which is crossed perpendicular to the photolysis laser beam in a ring-down cell
K J Stocker et al.
Mutagenesis, 12(3), 169-173 (1997-05-01)
Chlorination of drinking water results in the formation of chlorodibromomethane, bromodichloromethane and bromoform. These trihalomethanes have all shown evidence of genotoxicity in bacterial and mammalian cell systems in vitro and some evidence of carcinogenicity in rodents. Chlorodibromomethane and bromodichloromethane have
Stacey L Carrier et al.
The journal of physical chemistry. A, 114(3), 1548-1555 (2009-12-09)
Ultrafast photolysis of bromoform (CHBr(3)) with a 267 nm pulse of light followed by broadband transient electronic absorption identifies the photoproducts and follows their evolution in both neat bromoform and cyclohexane solutions. In neat bromoform, a species absorbing at 390
S K Pal et al.
The Journal of chemical physics, 138(12), 124501-124501 (2013-04-06)
Ultrafast deep-ultraviolet through near infrared (210-950 nm) transient absorption spectroscopy complemented by ab initio multiconfigurational calculations offers a global description of the photochemical reaction pathways of bromoform following 255-nm excitation in methylcyclohexane and acetonitrile solutions. Photoexcitation of CHBr3 leads to
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