2,6-diamino pyridine
2,6-Diaminopyridine
CAS: 141-86-6
Molecular Formula: C5H7N3
2,6-diamino pyridine - Names and Identifiers
| Name | 2,6-Diaminopyridine |
| Synonyms | 2,6-DAP Diaminopyridine 2,6-Diaminopyridine 2,6-Pyridinediamine 2,6-diamino-pyridin 2,6-diamino pyridine pyridine-2,6-diamine 2,6-diaminopyridinium Pyridine, 2,6-diamino- D**2,6-Diaminopyridine pyridine-2,6-diyldiamine |
| CAS | 141-86-6 |
| EINECS | 205-507-2 |
| InChI | InChI=1/C5H7N3/c6-4-2-1-3-5(7)8-4/h1-3H,(H4,6,7,8)/p+1 |
| InChIKey | VHNQIURBCCNWDN-UHFFFAOYSA-N |
2,6-diamino pyridine - Physico-chemical Properties
| Molecular Formula | C5H7N3 |
| Molar Mass | 109.13 |
| Density | 1.7110 (rough estimate) |
| Melting Point | 117-122 °C (lit.) |
| Boling Point | 285 °C (lit.) |
| Flash Point | 155°C |
| Water Solubility | 9.9 g/100 mL (20 ºC) |
| Solubility | 180g/l |
| Vapor Presure | 0.00288mmHg at 25°C |
| Appearance | Crystallization |
| Color | Beige to dark brown-gray |
| BRN | 108513 |
| pKa | 6.13±0.24(Predicted) |
| PH | >7 (H2O) |
| Storage Condition | Store below +30°C. |
| Sensitive | Sensitive to heat and air |
| Refractive Index | 1.5340 (estimate) |
| MDL | MFCD00006329 |
| Physical and Chemical Properties | Leaf patchy crystal. melting point 115-123°C boiling point 285°C flash point 155°C water-soluble 9.9g/100 mL (20°C) |
| Use | For the coupling of diazo compounds |
2,6-diamino pyridine - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R25 - Toxic if swallowed R20/21 - Harmful by inhalation and in contact with skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 - Wear suitable gloves and eye/face protection S28A - S36 - Wear suitable protective clothing. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | US7570000 |
| FLUKA BRAND F CODES | 9 |
| TSCA | Yes |
| HS Code | 29333999 |
| Hazard Class | 6.1 |
| Packing Group | II |
2,6-diamino pyridine - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | 2, 6-diaminopyridine can be used to synthesize pentamidine derivatives with anti-tumor activity and DNA binding activity. It can also be used to synthesize N-monobasyl derivatives of symmetric diamine with antiviral activity. Its derivatives can be used as molecular sensor models for nucleic acid detection. for coupling diazo compound 2, 6-diaminopyridine is currently mainly used in the production of an analgesic-Phenazopyridine [CAS no 94-78-0] abroad, which is said to relieve pain, burning and discomfort caused by urinary tract infection and other diseases. The drug is a prescription drug in the United States, an over-the-counter drug in Canada, and has not yet been produced in China. The trade names of the drug in the United States are: Azo-Standard, Baridium, Eridium, Geridium, Phenazodine, Pyridiate, Pyridium, Urodine, Urogesic, Viridium; the trade names of the drug in Canada are: Phenazo, Pyridium. |
| Production method | Pyridine or 2-aminopyridine aminated under stronger conditions. |
Last Update：2024-04-10 22:29:15
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