Cyanogen bromide
| Names | |
|---|---|
| Preferred IUPAC name
Carbononitridic bromide | |
Other names
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| Identifiers | |
3D model (JSmol) |
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| 1697296 | |
| ChemSpider | |
| ECHA InfoCard | 100.007.320 |
| EC Number |
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| MeSH | Cyanogen+Bromide |
PubChem CID |
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| RTECS number |
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| UNII | |
| UN number | 1889 |
CompTox Dashboard (EPA) |
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| Properties | |
| BrCN | |
| Molar mass | 105.922 g·mol−1 |
| Appearance | Colorless solid |
| Density | 2.015 g/cm3 |
| 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 | |
Std enthalpy of formation (ΔfH⦵298) |
136.1–144.7 kJ/mol |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H300, H310, H314, H330, H410 | |
| P260, P273, P280, P284, P302+P350 | |
| NFPA 704 (fire diamond) | |
| NIOSH (US health exposure limits): | |
PEL (Permissible) |
5 mg/m3 |
| Related compounds | |
Related alkanenitriles |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Cyanogen bromide is the inorganic compound with the formula 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.