C91492

Sigma-Aldrich

Cyanogen bromide

reagent grade, 97%

Synonym(s):
Bromine cyanide
Linear Formula:
BrCN
CAS Number:
Molecular Weight:
105.92
Beilstein/REAXYS Number:
1697296
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

grade

reagent grade

vapor density

3.65 (vs air)

vapor pressure

100 mmHg ( 22.6 °C)

assay

97%

bp

61-62 °C (lit.)

mp

50-53 °C (lit.)

storage temp.

2-8°C

SMILES string

BrC#N

InChI

1S/CBrN/c2-1-3

InChI key

ATDGTVJJHBUTRL-UHFFFAOYSA-N

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General description

Cyanogen bromide (CNBr) is a halogen halide. Its utility as a condensing agent during chemical ligation of oligodeoxyribonucleotides has been reported. Its threshold photoelectron (TPE) spectrum has been recorded under high resolution. The cryopolymerization of CNBr on irradiation has been investigated.

Application

Cyanogen bromide may be used:
  • To activate polysaccharides for coupling with erythrocytes.
  • As an oxidizing agent in urine thaimine assay.
  • In the preparation of 2-amino-5-(2′-thienyl)-1,3,4-oxadiazole.
For peptide cleavage and use in protein immobilization procedures. Reaction with C60Ph5Cl produces a novel phenylated isoquinolino[3′,4′:1,2][60]fullerene.

Packaging

25, 100, 500 g in glass bottle

Signal Word

Danger

hazcat

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Skin Corr. 1B

Supp Hazards

EUH032

storage_class_code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Applied Biochemistry and Biotechnology, 44, 135-135 (1994)
Org. Mass Spectrom., 28, 1395-1395 (1993)
Abdul-Sada, A.K. et al.
Chemical Communications (Cambridge, England), 307-307 (1998)
Coupling of polysaccharides to erythrocytes by cyanogen bromide.
A W Richter et al.
Scandinavian journal of immunology, 3(3), 365-368 (1974-01-01)
Oxadiazole: a biologically important heterocycle.
Somani RR and Shirodkar PY.
Der Pharma Chemica, 1(1), 130-140 (2009)

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