5-Bromo-4-methyl-pyridine-2-carbonitrile - Names and Identifiers
5-Bromo-4-methyl-pyridine-2-carbonitrile - Physico-chemical Properties
Molecular Formula | C7H5BrN2
|
Molar Mass | 197.03 |
Density | 1.61±0.1 g/cm3(Predicted) |
Boling Point | 293.3±35.0 °C(Predicted) |
Flash Point | 131.177 °C |
pKa | -2.02±0.18(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
5-Bromo-4-methyl-pyridine-2-carbonitrile - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R22 - Harmful if swallowed
R37/38 - Irritating to respiratory system and skin.
R41 - Risk of serious damage to eyes
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39 - Wear eye / face protection.
|
UN IDs | UN2811 |
5-Bromo-4-methyl-pyridine-2-carbonitrile - Introduction
It is an organic compound with the chemical formula C7H5BrN2. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: White to light yellow crystalline solid
-melting point: 78-81 ℃
-Boiling point: 273 ℃
-Density: 1.518g/cm³
-Solubility: Soluble in organic solvents such as ethanol and acetone, insoluble in water
Use:
It is an important organic intermediate used in the synthesis of other organic compounds. It can be used in the synthesis of pesticides, drugs and dyes. It can also be used as a catalyst or reagent for chemical reactions.
Preparation Method:
The preparation method is more complicated, and the common methods are as follows:
-3-bromostyrene hydrazine is obtained by the reaction of 3-bromostyrene and hydrazine, and then after Moffatt oxidation reaction and silver nitrate treatment, 5-bromo-2-(hydrazino) pyridine is obtained. Finally, the hydrazine group is converted to a cyano group by a cyanation reaction to synthesize the hydrazine group.
-There are other routes to synthesize this compound, and the specific methods will vary depending on the research field and needs.
Safety Information:
-is an organic compound that may be harmful to health and the environment, so safety precautions should be taken during use.
-It may be irritating to the eyes and skin and should be avoided. If contact occurs, rinse immediately with plenty of water and seek medical advice.
-During operation, avoid inhaling dust or gas. Operate in a well-ventilated area or be equipped with respiratory protective equipment.
-When storing, keep it in a cool, dry and well-ventilated place, away from fire and oxidizing agents.
Please note that the information provided above is for reference only, and should be operated according to actual needs and safety requirements.
Last Update:2024-04-09 20:44:15