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| 2-Cyanoguanidine | |
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| IUPAC name | 2-Cyanoguanidine |
| Other names | Cyanoguanidine, dicyanodiamide, N-cyanoguanidine, 1-cyanoguanidine, Guanidine-1-carbonitrile, dicyandiamin, Didin, DCD, Dicy |
| Identifiers | |
| CAS number | 461-58-5 |
| PubChem | |
| EINECS number | |
| RTECS number | ME9950000 |
| SMILES |
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| InChI |
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| Properties | |
| Molecular formula | C2H4N4 |
| Molar mass | 84.08 g/mol |
| Appearance | White crystals |
| Density | 1.400 g/cm3 |
| Melting point |
209.5 °C |
| Boiling point |
252 °C |
| Solubility in water | 41.3 g/l |
| log P | -0.52 |
| kH | 2.25·10-10 atm.m³/mol |
| Hazards | |
| Main hazards | harmful (Xn) |
| R-phrases | R20/21/22 |
| S-phrases | S24/25 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
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2-Cyanoguanidine or commonly dicyandiamide is an amine derived from guanidine. It is a dimer of cyanamide, from which it can be prepared. 2-Cyanoguanidine is soluble in water, acetone, and alcohol, but not in diethyl ether or chloroform.
2-Cyanoguanidine is produced in soil by decomposition of cyanamide.
Uses
2-Cyanoguanidine is also used a slow fertilizer. It is an intermediate in the synthesis of melamine and other organic chemicals. Formerly, it was used together with strong oxidizing agents as an explosive.
External links
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Wikipedia content modification information:
- This page was last modified on 7 May 2008, at 22:11.
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