Cyanogen bromide

Cyanogen bromide
Skeletal formula of cyanogen bromide
Spacefill model of cyanogen bromide
Names
Preferred IUPAC name
Carbononitridic bromide[3]
Other names
Identifiers
3D model (JSmol)
1697296
ChemSpider
ECHA InfoCard 100.007.320 Edit this at Wikidata
EC Number
  • 208-051-2
MeSH Cyanogen+Bromide
RTECS number
  • GT2100000
UNII
UN number 1889
  • InChI=1S/CBrN/c2-1-3 checkY
    Key: ATDGTVJJHBUTRL-UHFFFAOYSA-N checkY
  • BrC#N
Properties
BrCN
Molar mass 105.921 g mol−1
Appearance Colorless solid
Density 2.015 g mL−1
Melting point 50 to 53 °C (122 to 127 °F; 323 to 326 K)
Boiling point 61 to 62 °C (142 to 144 °F; 334 to 335 K)
Reacts
Vapor pressure 16.2 kPa
Thermochemistry
136.1–144.7 kJ mol−1
Hazards
GHS labelling:
GHS05: Corrosive GHS06: Toxic GHS09: Environmental hazard
Danger
H300, H310, H314, H330, H410
P260, P273, P280, P284, P302+P350
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
4
0
1
NIOSH (US health exposure limits):
PEL (Permissible)
5 mg m−3
Related compounds
Related alkanenitriles
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cyanogen bromide is the inorganic compound with the formula (CN)Br or BrCN. It is a colorless solid that is widely used to modify biopolymers, fragment proteins and peptides (cuts the C-terminus of methionine), and synthesize other compounds. The compound is classified as a pseudohalogen.

  1. ^ The Merck Index (10th ed.). Rahway, NJ: Merck & Co. 1983. p. 385.
  2. ^ "Campilit, CAS Number: 506-68-3". Archived from the original on 2023-03-20. Retrieved 2013-03-14.
  3. ^ "Cyanogen Bromide – Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification. Retrieved 4 June 2012.