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Merck

481432

Cyanogen bromide

99.995% trace metals basis

Synonym(s):

Bromine cyanide

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About This Item

Linear Formula:
BrCN
CAS Number:
506-68-3
Molecular Weight:
105.92
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24871758
EC Number:
208-051-2
Beilstein/REAXYS Number:
1697296
MDL number:
MFCD00011597
Assay:
99.995% trace metals basis

Key Documents

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Product Name

Cyanogen bromide, 99.995% trace metals basis

InChI key

ATDGTVJJHBUTRL-UHFFFAOYSA-N

InChI

1S/CBrN/c2-1-3

SMILES string

BrC#N

vapor density

3.65 (vs air)

vapor pressure

100 mmHg ( 22.6 °C)

assay

99.995% trace metals basis

bp

61-62 °C (lit.)

mp

50-53 °C (lit.)

functional group

bromo

storage temp.

2-8°C

Quality Level

200

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Application

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

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.

signalword

Danger

Hazard Classifications

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

supp_hazards

EUH032

Storage Class

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

wgk

WGK 3

flash_point_f

>149.0 °F - closed cup

flash_point_c

> 65 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ4517
MKCS6894
MKCR0285
MKCP7738
MKCN0720

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Coupling of polysaccharides to erythrocytes by cyanogen bromide.
A W Richter et al.
Scandinavian journal of immunology, 3(3), 365-368 (1974-01-01)
Cyanogen bromide, a good reagent for assay of thiamine in urine.
K Ratanaubolchai et al.
Clinical chemistry, 25(9), 1670-1671 (1979-09-01)
Low-temperature radiation polymerization of cyanogen bromide.
Kichigina GA, et al.
Mendeleev Communications, 8(4), 159-160 (1998)
Oxadiazole: a biologically important heterocycle.
Somani RR and Shirodkar PY.
Der Pharma Chemica, 1(1), 130-140 (2009)
Abdul-Sada, A.K. et al.
Chemical Communications (Cambridge, England), 307-307 (1998)
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