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244260

Sigma-Aldrich

Hydrobromic acid

ACS reagent, 48%

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About This Item

Empirical Formula (Hill Notation):
HBr
CAS Number:
10035-10-6
Molecular Weight:
80.91
Beilstein:
3587158
MDL number:
MFCD00011323
UNSPSC Code:
12352106
PubChem Substance ID:
329752491
NACRES:
NA.21
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grade

ACS reagent

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

47.0-49.0% (ACS specification)
48%

form

liquid

ign. residue

≤0.002%

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%

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Polyvinylpyrrolidone

Polyvinylpyrrolidone mol wt (number average molecular weight Mn 360kDa)

PVP360

Polyvinylpyrrolidone

form

lumps

form

powder

form

powder

form

powder

application(s)

food and beverages

application(s)

-

application(s)

-

application(s)

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

particle size

~110 μm

particle size

-

particle size

-

particle size

-

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.
It can also be used as a catalyst for the aerobic photooxidation of alcohols to corresponding carboxylic acids.

Other Notes

ACS specifications same as product 438065

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H290,H314,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCR0595
    MKCP7145
    MKCP7146
    MKCP0933
    MKCP3177

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