pyridine-2,5-diamine
2,5-Diaminopyridine
CAS: 4318-76-7
Molecular Formula: C5H7N3
pyridine-2,5-diamine - Names and Identifiers
| Name | 2,5-Diaminopyridine |
| Synonyms | 2,5-diamino-pyridin 2,5-DIAMINOPYRIDINE 2,5-Diaminopyridine TIMTEC-BB SBB004342 2,5-Pyridinediamine pyridine-2,5-diamine 2,5-Diamino Pyridine PYRIDINE-2,5-DIAMINE |
| CAS | 4318-76-7 |
| EINECS | 626-246-4 |
| InChI | InChI=1/C5H7N3/c6-4-1-2-5(7)8-3-4/h1-3H,6H2,(H2,7,8) |
pyridine-2,5-diamine - Physico-chemical Properties
| Molecular Formula | C5H7N3 |
| Molar Mass | 109.13 |
| Density | 1.1118 (rough estimate) |
| Melting Point | 110.3°C |
| Boling Point | 180 °C/12 mmHg (lit.) |
| Flash Point | 180°C/12mm |
| Vapor Presure | 0.000182mmHg at 25°C |
| pKa | 6.48(at 20℃) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.5340 (estimate) |
| MDL | MFCD00129023 |
| Physical and Chemical Properties | Light yellow liquid |
pyridine-2,5-diamine - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN2671 |
| WGK Germany | 3 |
| RTECS | US7555000 |
| HS Code | 29333999 |
| Hazard Class | 6.1 |
| Packing Group | II |
pyridine-2,5-diamine - Introduction
2,5-Diaminopyridine is an organic compound with the chemical formula C5H7N3. It is a colorless crystalline solid, soluble in water and some organic solvents. 2,5-Diaminopyridine has moderate toxicity, so safety measures need to be paid attention to when using and handling.
2,5-Diaminopyridine has many important applications. One of the main uses is as an intermediate in organic synthesis for the synthesis of drugs, dyes and other chemicals. It is widely used in the field of medicine to synthesize the active substances of antibiotics, hormones and other drugs. In addition, 2,5-Diaminopyridine can also be used as a ligand for metal complexes in areas such as catalytic reactions and materials science research.
From the preparation method, 2,5-Diaminopyridine can be prepared by hydrogenation reduction reaction of pyridine. A common method is to react pyridine with ammonia gas, with appropriate treatment and purification, to give 2,5-diaminopyridine.
When using 2,5-Diaminopyridine, you need to pay attention to some safety matters. It is an irritating and sensitive chemical that may cause irritation to the eyes, skin and respiratory tract. Therefore, appropriate personal protective equipment such as safety glasses, gloves and protective masks must be worn during operation. In addition, it also has a certain degree of combustion, should be away from the fire and high temperature environment. When handling the material, follow the relevant safety practices and properly store and dispose of the waste material.
2,5-Diaminopyridine has many important applications. One of the main uses is as an intermediate in organic synthesis for the synthesis of drugs, dyes and other chemicals. It is widely used in the field of medicine to synthesize the active substances of antibiotics, hormones and other drugs. In addition, 2,5-Diaminopyridine can also be used as a ligand for metal complexes in areas such as catalytic reactions and materials science research.
From the preparation method, 2,5-Diaminopyridine can be prepared by hydrogenation reduction reaction of pyridine. A common method is to react pyridine with ammonia gas, with appropriate treatment and purification, to give 2,5-diaminopyridine.
When using 2,5-Diaminopyridine, you need to pay attention to some safety matters. It is an irritating and sensitive chemical that may cause irritation to the eyes, skin and respiratory tract. Therefore, appropriate personal protective equipment such as safety glasses, gloves and protective masks must be worn during operation. In addition, it also has a certain degree of combustion, should be away from the fire and high temperature environment. When handling the material, follow the relevant safety practices and properly store and dispose of the waste material.
Last Update：2024-04-09 20:52:54
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CAS: 4318-76-7
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