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32731 Cyanogen bromide

CAS Number
506-68-3
Synonyms

Stock No. Size Price ($) Quantity Availability
32731-06 5g 24.30
32731-14 25g 50.60
32731-22 100g 124.00
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Cyanogen bromide

MDL
MFCD00011597
EINECS
208-051-2

Chemical Properties

Formula
BrCN
Formula Weight
105.93
Form
Colourless to white crystals
Melting point
50-52°
Boiling Point
61.4°
Density
2.015
Storage & Sensitivity
Keep Cold. Moisture Sensitive. Light Sensitive. Store under Argon.
Solubility
Soluble in chloroform, dichloromethane, ethanol, diethyl ether, benzene and acetonitrile.

Applications

Cyanogen bromide is used as a reagent in molecular biology, peptide mapping, gold extraction and amino acid sequence analysis. It acts as a coupling reagent for phosphoramidate or pyrophosphate inter-nucleotide bonds in DNA duplexes. It is also used in organic synthesis to prepare cyanamides, dicyanamides, cyanuric bromide, guanidines and hydroxylguanidines. It is involved in the von Braun reaction, it gives disubstituted cyanamides by reacting with tertiary amines.

Notes

Moisture and light sensitive. Store cold at 2°C to 10°C and under argon. Incompatible with water, strong oxidizing agents and acids. It slowly decomposes in water.

Literature References

Igawa, T.; Abe, Y.; Tsuda, M.; Inoue, K.; Ueda, T. Solution structure of the rat P2X4 receptor head domain involved in inhibitory metal binding. FEBS Lett. 2015, 589 (6), 680-686.

Elschner, T.; Heinze, T. Cellulose Carbonates: A Platform for Promising Biopolymer Derivatives With Multifunctional Capabilities. Macromol. Biosci. 2015, 15 (6), 735-746.

GHS Hazard and Precautionary Statements

Hazard Statements: H300-H310-H314-H330-H335-H373

Fatal if swallowed. Fatal in contact with skin. Causes severe skin burns and eye damage. Fatal if inhaled. May cause respiratory irritation. May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements: P260-P262-P264b-P270-P271-P280-P284-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Do not get in eyes, on skin, or on clothing. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. Wear respiratory protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,2693
Hazard Class
6.1
Packing Group
I
Harmonized Tariff Code
2853.90
TSCA
Yes
RTECS
GT2100000

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