5-Thiazolecarboxylic acid, 2-bromo-4-methyl- - Names and Identifiers
5-Thiazolecarboxylic acid, 2-bromo-4-methyl- - Physico-chemical Properties
Molecular Formula | C5H4BrNO2S
|
Molar Mass | 222.06 |
Density | 1.895±0.06 g/cm3(Predicted) |
Melting Point | 158 °C (dec.) |
Boling Point | 349.5±22.0 °C(Predicted) |
Flash Point | 165.2°C |
Vapor Presure | 1.75E-05mmHg at 25°C |
pKa | 2.16±0.37(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.639 |
5-Thiazolecarboxylic acid, 2-bromo-4-methyl- - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 43 - May cause sensitization by skin contact
|
Safety Description | 36/37 - Wear suitable protective clothing and gloves.
|
WGK Germany | 3 |
5-Thiazolecarboxylic acid, 2-bromo-4-methyl- - Introduction
2-bromo-4-methyl-1,3-thiazole-5-carboxylic acid is an organic compound with the chemical formula C6H5BrNO2S. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: White solid
-melting point: 126-128 ℃
-Soluble: Soluble in ethanol, benzene and dichloromethane
Use:
2-bromo-4-methyl-1,3-thiazole-5-carboxylic acid can be used as a chemical reagent and is widely used in organic synthesis reactions. It can be used for the synthesis of compounds with biological activity, and for the preparation of pharmaceutical and pesticide intermediates. In addition, it can also be used to synthesize agricultural chemicals and dyes.
Preparation Method:
The preparation of 2-bromo-4-methyl-1,3-thiazole-5-carboxylic acid is usually carried out by the following steps:
1. At a certain temperature, 2-bromo -4-methyl thiazole and calcium carbonate are esterified with acetic acid to generate the corresponding esterification product.
2. acylation of the esterification product with sulfuryl chloride to obtain 2-bromo-4-methyl-1, 3-thiazole-5-carbonic acid.
Safety Information:
2-bromo-4-methyl-1,3-thiazole-5-carboxylic acid has limited safety information. It may cause irritation to the eyes, skin and respiratory tract. Wear appropriate personal protective equipment and avoid contact with skin and eyes. When used in laboratory and industrial environments, relevant safety practices need to be observed.
Last Update:2024-04-09 20:52:54