61291-21-2
5-Methylthiazole-2-carboxylic acid
CAS: 61291-21-2
Molecular Formula: C5H5NO2S
61291-21-2 - Names and Identifiers
| Name | 5-Methylthiazole-2-carboxylic acid |
| Synonyms | 2-Carboxy-5-methyl-1,3-thiazole 5-methyl-2-thiazolecarboxylic acid 5-Methylthiazole-2-carboxylic acid 2-Thiazolecarboxylic acid, 5-methyl- 5-Methyl-1,3-thiazole-2-carboxylic acid Sodium 5-methyl-1,3-thiazole-2-carboxylate |
| CAS | 61291-21-2 |
| InChI | InChI=1/C5H5NO2S/c1-3-2-6-4(9-3)5(7)8/h2H,1H3,(H,7,8) |
61291-21-2 - Physico-chemical Properties
| Molecular Formula | C5H5NO2S |
| Molar Mass | 143.16 |
| Density | 1.418±0.06 g/cm3(Predicted) |
| Boling Point | 317.1±35.0 °C(Predicted) |
| Flash Point | 145.598°C |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | Solid |
| Color | Off-white |
| pKa | 0.65±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Store in freezer, under -20°C |
| Refractive Index | 1.599 |
61291-21-2 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Hazard Class | IRRITANT |
61291-21-2 - Introduction
The acid is an organic compound whose chemical formula is C6H7NO2S. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: acid is white crystalline powder.
-Solubility: Soluble in acidic solvents such as hydrochloric acid and alcohol, insoluble in water.
-Melting point: about 135-136°C.
Use:
Acid has a variety of uses in the chemical and pharmaceutical fields, including:
-As an intermediate: It can be used as an intermediate in various organic syntheses, for example, it plays an important role in the preparation of drugs, pesticides or other organic compounds.
-Antibacterial activity: acid and its derivatives have certain antibacterial activity and can be used for the research and development of antibacterial agents.
Preparation Method:
The acid can be prepared by the following steps:
1. React thiomethylthioglycine (trimethylsulfonium) and acetone under acidic conditions to form oxazide.
2. hydrolyze acid ester to acid.
Safety Information:
The relevant safety information for acid is as follows:
-have a stimulating effect on the skin: contact with the skin may cause irritation or allergic reactions, use should pay attention to protect the skin.
-eye irritation: contact with eyes may cause irritation, please avoid contact with eyes.
-May have pungent odor: Please pay attention to ventilation during use or operation to avoid inhalation.
-storage conditions: in a cool, dry place sealed storage, away from fire and high temperature.
In addition, when using acid, you should follow the standard operating procedures of the laboratory and take appropriate personal protective measures.
Nature:
-Appearance: acid is white crystalline powder.
-Solubility: Soluble in acidic solvents such as hydrochloric acid and alcohol, insoluble in water.
-Melting point: about 135-136°C.
Use:
Acid has a variety of uses in the chemical and pharmaceutical fields, including:
-As an intermediate: It can be used as an intermediate in various organic syntheses, for example, it plays an important role in the preparation of drugs, pesticides or other organic compounds.
-Antibacterial activity: acid and its derivatives have certain antibacterial activity and can be used for the research and development of antibacterial agents.
Preparation Method:
The acid can be prepared by the following steps:
1. React thiomethylthioglycine (trimethylsulfonium) and acetone under acidic conditions to form oxazide.
2. hydrolyze acid ester to acid.
Safety Information:
The relevant safety information for acid is as follows:
-have a stimulating effect on the skin: contact with the skin may cause irritation or allergic reactions, use should pay attention to protect the skin.
-eye irritation: contact with eyes may cause irritation, please avoid contact with eyes.
-May have pungent odor: Please pay attention to ventilation during use or operation to avoid inhalation.
-storage conditions: in a cool, dry place sealed storage, away from fire and high temperature.
In addition, when using acid, you should follow the standard operating procedures of the laboratory and take appropriate personal protective measures.
Last Update：2024-04-09 20:52:54
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View History
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