329974-09-6
4-Bromo-2,6-diaminopyridine
CAS: 329974-09-6
Molecular Formula: C5H6BrN3
329974-09-6 - Names and Identifiers
| Name | 4-Bromo-2,6-diaminopyridine |
| Synonyms | 2,6-Diamino-4-bromopyridine 4-bromo-2,6-Pyridinediamine 4-Bromo-2,6-diaminopyridine 4-Bromopyridine-2,6-diamine 2,6-Pyridinediamine, 4-bromo- methyl 2-amino-5-bromo-3,4-difluorobenzoate |
| CAS | 329974-09-6 |
| EINECS | 676-169-5 |
| InChI | InChI=1/C5H6BrN3/c6-3-1-4(7)9-5(8)2-3/h1-2H,(H4,7,8,9) |
329974-09-6 - Physico-chemical Properties
| Molecular Formula | C5H6BrN3 |
| Molar Mass | 188.03 |
| Density | 1.818±0.06 g/cm3(Predicted) |
| Melting Point | 126 °C |
| Boling Point | 352.7±37.0 °C(Predicted) |
| Flash Point | 167.105°C |
| Vapor Presure | 0mmHg at 25°C |
| pKa | 5.13±0.35(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Refractive Index | 1.712 |
329974-09-6 - 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. |
| HS Code | 29339900 |
| Hazard Class | IRRITANT |
329974-09-6 - Introduction
4-Bromo-2,6-diaminopyridine is an organic compound with the chemical formula C5H6BrN3. The following is a description of its nature, use, preparation and safety information:
Nature:
- 4-Bromo-2,6-diaminopyridine is a solid, white or off-white crystalline powder.
-Its melting point is about 210-220 degrees Celsius.
-Slightly soluble in water, but soluble in organic solvents such as methanol, ethanol and dimethyl sulfoxide.
-Its pKa value is about 9.5, indicating that it is alkaline in water.
Use:
- 4-Bromo-2,6-diaminopyridine has certain uses in the field of medicine. It can be used as an intermediate in the synthesis of pharmaceuticals for the preparation of some biologically active compounds.
-This compound is also used to synthesize dyes, photosensitive materials and polymers.
Method:
4-Bromo-2,6-diaminopyridine synthesis method mainly has two kinds:
1. The bromination reaction of pyridine: 4-bromopyridine is obtained by reacting pyridine with bromine, and 4-Bromo-2,6-diaminopyridine is obtained through a series of reactions.
2. Amination reaction of pyridine: 2,6-diaminopyridine is obtained by reacting pyridine with amine, which is then brominated to obtain 4-Bromo-2,6-diaminopyridine.
Safety Information:
- 4-Bromo-2,6-diaminopyridine has a certain degree of risk, need to pay attention to safe operation.
-It is an irritating substance that may cause irritation and discomfort when in contact with the skin and eyes.
-Wear appropriate personal protective equipment such as lab gloves, safety glasses, and lab coats during operation.
-When storing, it should be sealed and kept in a cool, dry place, away from fire and flammable materials.
Nature:
- 4-Bromo-2,6-diaminopyridine is a solid, white or off-white crystalline powder.
-Its melting point is about 210-220 degrees Celsius.
-Slightly soluble in water, but soluble in organic solvents such as methanol, ethanol and dimethyl sulfoxide.
-Its pKa value is about 9.5, indicating that it is alkaline in water.
Use:
- 4-Bromo-2,6-diaminopyridine has certain uses in the field of medicine. It can be used as an intermediate in the synthesis of pharmaceuticals for the preparation of some biologically active compounds.
-This compound is also used to synthesize dyes, photosensitive materials and polymers.
Method:
4-Bromo-2,6-diaminopyridine synthesis method mainly has two kinds:
1. The bromination reaction of pyridine: 4-bromopyridine is obtained by reacting pyridine with bromine, and 4-Bromo-2,6-diaminopyridine is obtained through a series of reactions.
2. Amination reaction of pyridine: 2,6-diaminopyridine is obtained by reacting pyridine with amine, which is then brominated to obtain 4-Bromo-2,6-diaminopyridine.
Safety Information:
- 4-Bromo-2,6-diaminopyridine has a certain degree of risk, need to pay attention to safe operation.
-It is an irritating substance that may cause irritation and discomfort when in contact with the skin and eyes.
-Wear appropriate personal protective equipment such as lab gloves, safety glasses, and lab coats during operation.
-When storing, it should be sealed and kept in a cool, dry place, away from fire and flammable materials.
Last Update：2024-04-09 02:00:45
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