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268003

Sigma-Aldrich

Hydrobromic acid

reagent grade, 48%

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About This Item

Empirical Formula (Hill Notation):
HBr
CAS Number:
10035-10-6
Molecular Weight:
80.91
Beilstein/REAXYS Number:
3587158
MDL number:
MFCD00011323
UNSPSC Code:
12352106
PubChem Substance ID:
329752885
NACRES:
NA.21

grade

reagent grade

Quality Level

200

vapor density

2.8 (vs air)

vapor pressure

320 psi ( 21.1 °C)
8 mmHg ( 25 °C)

description

48% aqueous HBr

assay

48%

form

liquid

density

1.49 g/mL at 25 °C (lit.)

SMILES string

Br

InChI

1S/BrH/h1H

InChI key

CPELXLSAUQHCOX-UHFFFAOYSA-N

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General description

Hydrobromic acid is the strongest mineral acid that is used as a brominating agent in the preparation of organobromine compounds and inorganic bromides. It is also used as a catalyst in a variety of organic reactions.

Application

Hydrobromic acid can be used as:      
  • A catalyst in transesterification reactions.      
  • A reagent to synthesize cellulose nanocrystals (CNCs) via acidic hydrolysis of cotton fibers.     
  • A reactant to prepare denitrosation reagent.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The oxidation of acetophenones to arylglyoxals with aqueous hydrobromic acid in dimethyl sulfoxide.
Floyd MB, et al.
The Journal of Organic Chemistry, 50(25), 5022-5027 (1985)
Production of cellulose nanocrystals using hydrobromic acid and click reactions on their surface.
Sadeghifar H, et al.
J. Mater. Sci., 46(22), 7344-7355 (2011)
M Y Mirza
Talanta, 27(2), 101-106 (1980-02-01)
The extraction of Pd(II), Rh(III), Ir(III), Au(III) and Pt(IV) from hydrochloric and hydrobromic acid with 5% tri-iso-octylamine solution in carbon tetrachloride has been studied. The gold extract from hydrochloric acid is yellow and absorbs at 325 nm, the palladium compound
Efficient bromination of olefins, alkynes, and ketones with dimethyl sulfoxide and hydrobromic acid.
Song S, et al.
Green Chemistry, 17(6), 3285-3289 (2015)
Hydrobromic acid-catalyzed Friedel-Crafts type reactions of naphthols.
Xu C, et al.
Royal Society of Chemistry Advances, 4(4), 1559-1562 (2014)
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