Cyanamide
Cyanamide is an organic compound with the formula CN2H2. This white solid is widely used in agriculture and the production of pharmaceuticals and other organic compounds. It is also used as an alcohol-deterrent drug. The molecule features a nitrile group attached to an amino group. Derivatives of this compound are also referred to as cyanamides, the most common being calcium cyanamide (CaCN2).
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| Names | |||
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| IUPAC name
Cyanamide | |||
| Other names
Amidocyanogen, carbamonitrile, carbimide, carbodiimide, cyanoamine, cyanoazane, N-cyanoamine, cyanogenamide, cyanogen amide, cyanogen nitride, diiminomethane, hydrogen cyanamide, methanediimine | |||
| Identifiers | |||
3D model (JSmol) |
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| 3DMet | |||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| DrugBank | |||
| ECHA InfoCard | 100.006.358 | ||
| EC Number |
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| 784 | |||
| KEGG | |||
PubChem CID |
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| RTECS number |
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| UNII | |||
| UN number | 2811 | ||
CompTox Dashboard (EPA) |
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SMILES
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| Properties | |||
| CH2N2 | |||
| Molar mass | 42.040 g/mol | ||
| Appearance | Crystalline solid | ||
| Density | 1.28 g/cm3 | ||
| Melting point | 44 °C (111 °F; 317 K) | ||
| Boiling point | 260 °C (500 °F; 533 K) (decomposes) 83 °C at 6.7 Pa 140 °C at 2.5 kPa | ||
| 85 g/100 ml (25 °C) | |||
| Solubility in organic solvents | soluble | ||
| log P | -0.82 | ||
| Acidity (pKa) | 10.3 | ||
| Hazards | |||
| GHS labelling: | |||
| Danger | |||
| H301, H311, H314, H317, H351, H361, H373, H412 | |||
| P201, P202, P260, P261, P264, P270, P272, P273, P280, P281, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P310, P312, P314, P321, P322, P330, P333+P313, P361, P363, P405, P501 | |||
| NFPA 704 (fire diamond) |
2
1
2 | ||
| Flash point | 141 °C (286 °F; 414 K) | ||
| NIOSH (US health exposure limits): | |||
PEL (Permissible) |
none | ||
REL (Recommended) |
TWA 2 mg/m3 | ||
IDLH (Immediate danger) |
N.D. | ||
| Safety data sheet (SDS) | ICSC 0424 | ||
| Related compounds | |||
Related compounds |
Calcium cyanamide | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
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