3,4-pyridinediamine, 5-bromo- - Names and Identifiers
Name | 5-bromopyridine-3,4-diamine
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Synonyms | 5-Bromo-3,4-diaminopyridine 5-BroMo-3,4-pyridinediaMine 5-bromopyridine-3,4-diamine 3-bromo-4,5-diamino-pyridin 5-Bromopyridine-3,4-diamine 3-Bromo-4,5-pyridinediamine 5-Bromo-3,4-diaminepyridine 3,4-pyridinediamine, 5-bromo- 3,4-PyridinediaMine, 5-broMo- 5-BROMO-2,3-DIAMINOPYRIDINE, 97 (3-amino-5-bromo-4-pyridyl)amine
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CAS | 4635-08-9
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InChI | InChI=1/C5H6BrN3/c6-3-1-9-2-4(7)5(3)8/h1-2H,7H2,(H2,8,9) |
3,4-pyridinediamine, 5-bromo- - Physico-chemical Properties
Molecular Formula | C5H6BrN3
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Molar Mass | 188.03 |
Density | 1.818g/cm3 |
Melting Point | 138-145℃ |
Boling Point | 370.1°C at 760 mmHg |
Flash Point | 177.6°C |
Vapor Presure | 1.13E-05mmHg at 25°C |
Appearance | Solid |
Color | White to off-white to yellow |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Sensitive | Moisture & Light Sensitive |
Refractive Index | 1.712 |
MDL | MFCD01692479 |
3,4-pyridinediamine, 5-bromo- - Risk and Safety
Hazard Symbols | Xn - Harmful
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Risk Codes | R22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
R43 - May cause sensitization by skin contact
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
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UN IDs | UN2811 |
RTECS | US4000000 |
Hazard Class | 6.1 |
3,4-pyridinediamine, 5-bromo- - Introduction
5-bromopyridine-3,4-diamine is an organic compound with the formula C5H6BrN3. The following is a description of its nature, use, formulation and safety information:
Nature:
1. Appearance: 5-bromopyridine-3,4-diamine is a white solid.
2. Solubility: It can be dissolved in water and common organic solvents, such as ethanol and dichloromethane.
3. Melting point: Its melting point is about 140-145°C.
Use:
1. as an organic synthesis intermediate: 5-bromopyridine-3,4-diamine can be used to synthesize various organic compounds, such as pharmaceuticals, dyes and pesticides.
2. biological activity research: it can be used as reagents and reference compounds in biomedical research.
Preparation Method:
A commonly used preparation method is the reaction of pyridine-3, 4-diamine with bromine. First, pyridine-3, 4-diamine is dissolved in ethanol under basic conditions, then bromine is added slowly, the reaction temperature is usually kept at room temperature. After completion of the reaction, the product was obtained by filtration and crystallization.
Safety Information:
1. 5-bromopyridine-3,4-diamine should be stored in a dust-proof and airtight container, away from heat sources and open flames.
2. During operation, appropriate protective equipment, such as gloves and goggles, should be worn.
3. avoid inhaling its dust or solution, avoid contact with skin and eyes.
4. In case of accidental contact, rinse the affected area immediately with plenty of water and seek medical help.
5. When using or disposing, please comply with local regulations and safety operation guidelines.
Last Update:2024-04-09 21:01:54