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339245

Sigma-Aldrich

Hydrobromic acid

48 wt. % in H2O, ≥99.99%

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Empirical Formula (Hill Notation):
HBr
CAS Number:
Molecular Weight:
80.91
Beilstein/REAXYS Number:
3587158
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor density

2.8 (vs air)

Quality Level

vapor pressure

320 psi ( 21.1 °C)
8 mmHg ( 25 °C)

description

48% aqueous HBr

assay

≥99.99%

form

liquid

concentration

48 wt. % in H2O

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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1 of 4

This Item
26800324426018735
vibrant-m

339245

Hydrobromic acid

-
vibrant-m

268003

Hydrobromic acid

Essential Grade
vibrant-m

244260

Hydrobromic acid

-
vibrant-m

18735

Hydrobromic acid solution

-
assay

≥99.99%

assay

48%

assay

47.0-49.0% (ACS specification), 48%

assay

31.5-34.5% (T)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

form

liquid

form

liquid

form

liquid

form

liquid

vapor pressure

320 psi ( 21.1 °C), 8 mmHg ( 25 °C)

vapor pressure

320 psi ( 21.1 °C), 8 mmHg ( 25 °C)

vapor pressure

320 psi ( 21.1 °C), 8 mmHg ( 25 °C)

vapor pressure

-

vapor density

2.8 (vs air)

vapor density

2.8 (vs air)

vapor density

2.8 (vs air)

vapor density

-

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:
  • Bromination of benzothiadiazoles and methylamines.
  • Oxidative bromination of olefins, alkynes, and ketones to corresponding dibrominated alkanes, alkenes, and α-bromoketones.

pictograms

CorrosionExclamation mark

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


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