Methyleneaminoacetonitrile
Methyleneaminoacetonitrile
CAS: 109-82-0
Molecular Formula: C3H4N2
Methyleneaminoacetonitrile - Names and Identifiers
Methyleneaminoacetonitrile - Physico-chemical Properties
| Molecular Formula | C3H4N2 |
| Molar Mass | 68.08 |
| Density | 0.8765 (rough estimate) |
| Melting Point | 127-130 °C |
| Boling Point | 106.45°C (rough estimate) |
| Flash Point | 45.2°C |
| Solubility | slightly sol. in Benzene |
| Vapor Presure | 3.71mmHg at 25°C |
| Appearance | White crystal |
| Color | White to Almost white |
| Exposure Limit | NIOSH: IDLH 25 mg/m3 |
| Merck | 14,6057 |
| BRN | 1848155 |
| pKa | 3.30±0.50(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.4089 (estimate) |
| MDL | MFCD00001889 |
| Physical and Chemical Properties | Trimer. Melting Point: 129 ℃, white rhombohedral crystal. Soluble in hot water, alcohol, benzene-soluble. |
Methyleneaminoacetonitrile - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S22 - Do not breathe dust. |
| RTECS | MC1925000 |
| TSCA | Yes |
Methyleneaminoacetonitrile - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Organic synthesis intermediate |
| production method | under the condition of stirring and maintaining 0 ℃, add sodium cyanide aqueous solution to the mixture of formaldehyde and ammonium chloride, add glacial acetic acid dropwise in the middle of feeding. After adding, stirring for 1.5h, the precipitate is filtered out, washed with water and dried to obtain methylene amino acetonitrile with a yield of 61-71%. |
Last Update：2024-04-10 22:40:09
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