244260
Hydrobromic acid
ACS reagent, 48%
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About This Item
Empirical Formula (Hill Notation):
HBr
CAS Number:
Molecular Weight:
80.91
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3587158
Assay:
47.0-49.0% (ACS specification), 48%
Form:
liquid
Grade:
ACS reagent
grade
ACS reagent
Quality Level
vapor density
2.8 (vs air)
vapor pressure
320 psi ( 21.1 °C), 8 mmHg ( 25 °C)
description
48% aqueous HBr
assay
47.0-49.0% (ACS specification), 48%
form
liquid
impurities
≤5 ppm Heavy Metals
ign. residue
≤0.002%
solubility
water: soluble at 20 °C
density
1.49 g/mL at 25 °C (lit.)
anion traces
SO42- and SO32-: ≤0.003%, chloride (Cl-): ≤0.05%, iodide (I-): ≤0.003%, phosphate (PO43-): ≤0.001%
cation traces
Fe: ≤1 ppm, Se: ≤0.01 ppm, heavy metals: ≤5 ppm (by ICP-OES)
SMILES string
Br
InChI
1S/BrH/h1H
InChI key
CPELXLSAUQHCOX-UHFFFAOYSA-N
General description
Hydrobromic acid is a strong acid that can be used as a brominating reagent for the electrophilic and radical bromination of olefins, alkynes, and ketones.
Application
Hydrobromic acid can be used as a brominating agent:
- For the regioselective bromination of anilides to bromoanilides.
- Oxidative bromination of olefins, alkynes, and ketones to corresponding dibrominated alkanes, dibrominated alkenes, and α-bromoketones.
Other Notes
ACS specifications same as product 438065
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signalword
Danger
hcodes
target_organs
Respiratory system
Storage Class
8B - Non-combustible corrosive hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A - STOT SE 3
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Hydrobromic acid-catalyzed Friedel-Crafts type reactions of naphthols.
Xu C, et al.
Royal Society of Chemistry Advances, 4(4), 1559-1562 (2014)
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)