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Sigma-Aldrich

Bromoform

Bromoform
1 of 1 reviewers received a sample product or took part in a promotion

contains 60-120 ppm 2-methyl-2-butene as stabilizer, 99%

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/REAXYS Number:
1731048
EC Number:
200-854-6
MDL number:
MFCD00000128
UNSPSC Code:
12352100
PubChem Substance ID:
24854456
NACRES:
NA.22

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vapor density

8.7 (vs air)

Quality Level

200

vapor pressure

5 mmHg ( 20 °C)

assay

99%

form

liquid

contains

60-120 ppm 2-methyl-2-butene as stabilizer

refractive index

n20/D 1.595 (lit.)

bp

146-150 °C (lit.)

mp

5-8 °C (lit.)

solubility

water: soluble 800 part(lit.)
acetone: miscible(lit.)
alcohol: miscible(lit.)
benzene: miscible(lit.)
chloroform: miscible(lit.)
diethyl ether: miscible(lit.)
oil: miscible(lit.)
petroleum ether: miscible(lit.)

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 (CHBr3), also known as Tribromomethane, is a very short-lived substance (VSLS) and an important precursor of reactive bromine species (BrOx). It is widely used as a laboratory reagent and as an industrial extraction solvent. It can also be used as a sedative and to create block copolymers. [1]

Application

Bromoform (Tribromomethane) was used in the synthesis of α-tribromomethylated N-sulfonylamines[2].

signalword

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

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

106.3 °F - closed cup - (own results)

flash_point_c

41.3 °C - closed cup - (own results)

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW7256
MKCV4546
MKCR0680
MKCP7356
SHBK4455

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Elumalai Gopi et al.
Organic & biomolecular chemistry, 12(17), 2769-2777 (2014-03-29)
Mg-mediated addition of bromoform to electron deficient imines such as N-sulfonylimines affords α-tribromomethylated N-sulfonylamines in good to excellent yields. The procedure could be further simplified by transforming the imine precursors, α-sulfonyl-N-tosyl- and Boc-amines, in one pot to the corresponding α-tribromomethyl
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
Jong-Ryul Park et al.
Biointerphases, 16(1), 011001-011001 (2021-01-07)
Poly(2-alkyl-2-oxazoline) (PAOx) hydrogels are tailorable synthetic materials with demonstrated biomedical applications, thanks to their excellent biocompatibility and tunable properties. However, their use as injectable hydrogels is challenging as it requires invasive surgical procedures to insert the formed hydrogel into the
Carolina Lourencetti et al.
Environment international, 45, 59-67 (2012-05-11)
This first study of trihalomethanes (THMs) in swimming pools using bromine agents for water disinfection under real conditions shows that the mixtures of these compounds are largely dominated by bromoform in a similar process as chloroform becomes the dominant THM
M Valcke et al.
Regulatory toxicology and pharmacology : RTP, 59(2), 258-269 (2010-10-26)
The objective of this study was to assess the impact of the exposure route on the human kinetic adjustment factor (HKAF), for which a default value of 3.16 is used in non-cancer risk assessment. A multi-route PBPK model was modified
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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Reviews

1 of 1 reviewers received a sample product or took part in a promotion

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  1. Kent UK
    • Reviews 2
    • Vote 1
    5 out of 5 stars.

    A useful 13C low NMR T1 liquid

    A useful 13C low NMR T1 liquid, being used for low-field Time-Domain measurements.

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