Ethylenethiourea
2-Mercapto imidazoline
CAS: 12261-94-8
Molecular Formula: C3H6N2S
Ethylenethiourea - Names and Identifiers
| Name | 2-Mercapto imidazoline |
| Synonyms | NA 22-D Ethylenethiourea 2-Imidazolidinthion 2-imidazolidinethione Imidazolidine-2-thione |
| CAS | 12261-94-8 |
| EINECS | 202-506-9 |
| InChI | InChI=1/C3H6N2S/c6-3-4-1-2-5-3/h1-2H2,(H2,4,5,6) |
Ethylenethiourea - Physico-chemical Properties
| Molecular Formula | C3H6N2S |
| Molar Mass | 102.158 |
| Density | 1.27g/cm3 |
| Boling Point | 148.3°C at 760 mmHg |
| Flash Point | 43.5°C |
| Vapor Presure | 4.26mmHg at 25°C |
| Refractive Index | 1.625 |
Ethylenethiourea - Introduction
2-mercaptoimidazoline is an organic compound with the chemical formula C4H5N3S. It is a colorless to pale yellow crystalline solid that does not volatilize at room temperature.
2-mercaptoimidazoline has good stability and solubility, and is soluble in water and organic solvents such as alcohols and ketones. It is weakly acidic and weakly alkaline, and can undergo acid-base neutralization reactions.
2-mercaptoimidazoline has a variety of applications. First, it is an important pharmaceutical synthesis intermediate that can be used to synthesize biologically active compounds. Secondly, it can be used as a ligand of metal complexes for catalytic reactions and adsorption of metal ions. In addition, 2-mercaptoimidazoline can also be used as a dye, a polymer stabilizer, a disinfectant, etc.
The method for preparing 2-mercaptoimidazoline is usually obtained by reacting a mercapto group with cyclohexanone. The specific steps are as follows: first, the mercapto group is reacted with cyclohexanone under alkaline conditions to generate mercapto alcohol; then, the mercapto alcohol is reacted with chlorinated amide or acid chloride to generate 2-mercaptopyroline; finally, the 2-mercaptopyroline is reacted with hydrochloric acid to generate 2-mercaptoimidazoline.
Regarding safety information, 2-mercaptoimidazoline is an irritating compound. Contact with skin and eyes may cause irritation and inflammation. During the operation, wear appropriate protective gloves and glasses, and ensure good ventilation. If swallowed or inhaled, seek medical attention immediately. Keep it away from ignition and oxidizing agents.
2-mercaptoimidazoline has good stability and solubility, and is soluble in water and organic solvents such as alcohols and ketones. It is weakly acidic and weakly alkaline, and can undergo acid-base neutralization reactions.
2-mercaptoimidazoline has a variety of applications. First, it is an important pharmaceutical synthesis intermediate that can be used to synthesize biologically active compounds. Secondly, it can be used as a ligand of metal complexes for catalytic reactions and adsorption of metal ions. In addition, 2-mercaptoimidazoline can also be used as a dye, a polymer stabilizer, a disinfectant, etc.
The method for preparing 2-mercaptoimidazoline is usually obtained by reacting a mercapto group with cyclohexanone. The specific steps are as follows: first, the mercapto group is reacted with cyclohexanone under alkaline conditions to generate mercapto alcohol; then, the mercapto alcohol is reacted with chlorinated amide or acid chloride to generate 2-mercaptopyroline; finally, the 2-mercaptopyroline is reacted with hydrochloric acid to generate 2-mercaptoimidazoline.
Regarding safety information, 2-mercaptoimidazoline is an irritating compound. Contact with skin and eyes may cause irritation and inflammation. During the operation, wear appropriate protective gloves and glasses, and ensure good ventilation. If swallowed or inhaled, seek medical attention immediately. Keep it away from ignition and oxidizing agents.
Last Update：2024-04-09 21:01:54
