methyl 5-bromo-2-oxo-1,2-dihydropyridine-3-carboxylate - Names and Identifiers
methyl 5-bromo-2-oxo-1,2-dihydropyridine-3-carboxylate - Physico-chemical Properties
Molecular Formula | C7H6BrNO3
|
Molar Mass | 232.03 |
Density | 1.737±0.06 g/cm3(Predicted) |
Melting Point | 181-183°C |
Boling Point | 346.4±42.0 °C(Predicted) |
Flash Point | 163.3°C |
Vapor Presure | 5.76E-05mmHg at 25°C |
pKa | 8.01±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
Refractive Index | 1.58 |
Physical and Chemical Properties | Storage Conditions: Keep Cold |
methyl 5-bromo-2-oxo-1,2-dihydropyridine-3-carboxylate - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Hazard Note | Irritant/Keep Cold |
Hazard Class | IRRITANT |
methyl 5-bromo-2-oxo-1,2-dihydropyridine-3-carboxylate - Introduction
Methyl 5-bromo-2-hydroxynicotinate is an organic compound with the chemical formula C8H6BrNO4.
Nature:
5-bromo-2-hydroxynicotinic acid methyl ester is a white crystalline solid with a special aroma. It is easily soluble in ethanol, chloroform and ether at room temperature, and hardly soluble in water.
Use:
5-Bromo-2-hydroxynicotinic acid methyl ester is commonly used as a pharmaceutical intermediate and can be used to synthesize some drugs, such as the tuberculosis drug isoniazid. It can also be used as a raw material for dyes and pigments.
Preparation Method:
Methyl 5-bromo-2-hydroxynicotinate can be obtained by reacting methyl 2-hydroxynicotinate with bromine under alkaline conditions. The specific reaction conditions can be adjusted according to actual needs.
Safety Information:
Methyl 5-bromo-2-hydroxynicotinate is an organic bromide and may be irritating to the skin, eyes and respiratory tract. Therefore, personal protective measures should be taken during use or handling, such as wearing chemical protective glasses, gloves and breathing apparatus. In the process of storage and transportation, it is necessary to strictly follow the relevant safety operation specifications, avoid contact with combustibles and oxidants, and prevent the risk of fire and explosion.
Last Update:2024-04-09 20:48:19