4-BROMO-2-METHYLTHIOPHENE
4-Bromo-2-methylthiophene
CAS: 29421-92-9
Molecular Formula: C5H5BrS
4-BROMO-2-METHYLTHIOPHENE - Names and Identifiers
| Name | 4-Bromo-2-methylthiophene |
| Synonyms | 4-BROMO-2-METHYLTHIOPHEN 2-METHYL-4-BROMOTHIOPHENE 4-Bromo-2-methylthiophene 4-BROMO-2-METHYLTHIOPHENE Thiophene, 4-bromo-2-methyl- |
| CAS | 29421-92-9 |
| InChI | InChI=1/C5H5BrS/c1-4-2-5(6)3-7-4/h2-3H,1H3 |
4-BROMO-2-METHYLTHIOPHENE - Physico-chemical Properties
| Molecular Formula | C5H5BrS |
| Molar Mass | 177.06 |
| Density | 1.581 g/mL at 25 °C (lit.) |
| Boling Point | 74-76 °C/20 mmHg (lit.) |
| Flash Point | 155°F |
| Vapor Presure | 1.22mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Light yellow to Light orange |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.5740(lit.) |
4-BROMO-2-METHYLTHIOPHENE - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| WGK Germany | 3 |
| HS Code | 29349990 |
4-BROMO-2-METHYLTHIOPHENE - Introduction
4-Bromo-2-methylthiophene is a sulfur heterocyclic compound containing a bromine atom and a methyl group. Its molecular formula is C5H5BrS and its molecular weight is 173.07g/mol.
The following are some of the properties of 4-Bromo-2-methylthiophene:
-Appearance: colorless or light yellow liquid
-Melting point:-16 ° C
-Boiling point: 162-163 ° C
-Density: 1.58g/cm³
-Solubility: Soluble in organic solvents such as ethanol, acetone, etc., slightly soluble in water.
4-Bromo-2-methylthiophene has a wide range of applications in organic synthesis:
-It can be used as an intermediate in organic synthesis and used to synthesize other organic sulfur compounds.
-It can be used to synthesize organic compounds such as drugs, pesticides and dyes.
-It is also used in the field of organic optoelectronic devices, such as as fluorescent materials for dye-sensitized solar cells and organic light-emitting diodes (OLED).
The method of preparing 4-Bromo-2-methylthiophene is usually through the reaction of 4-Bromo-2-methylthiophene with magnesium bromide. Specific steps include:
1. 4-Bromo-2-methylthiophene reacts with magnesium bromide to generate six-way tetrabromomagnesium thiophene.
2. Treat six-way tetrabromomagnesium thiophene with alcohol solvent and react with hydrochloric acid to form 4-Bromo-2-methylthiophene.
For safety information:
- 4-Bromo-2-methylthiophene is an organic compound, which has a certain degree of danger and should comply with safe operation procedures.
-It is a flammable liquid, should be stored in a cool, ventilated place, and avoid contact with heat and flame.
-Personal protective equipment such as goggles, gloves and protective clothing must be worn during use or handling to avoid inhalation, contact with skin or ingestion.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-Local codes and regulations should be followed during handling and storage.
The following are some of the properties of 4-Bromo-2-methylthiophene:
-Appearance: colorless or light yellow liquid
-Melting point:-16 ° C
-Boiling point: 162-163 ° C
-Density: 1.58g/cm³
-Solubility: Soluble in organic solvents such as ethanol, acetone, etc., slightly soluble in water.
4-Bromo-2-methylthiophene has a wide range of applications in organic synthesis:
-It can be used as an intermediate in organic synthesis and used to synthesize other organic sulfur compounds.
-It can be used to synthesize organic compounds such as drugs, pesticides and dyes.
-It is also used in the field of organic optoelectronic devices, such as as fluorescent materials for dye-sensitized solar cells and organic light-emitting diodes (OLED).
The method of preparing 4-Bromo-2-methylthiophene is usually through the reaction of 4-Bromo-2-methylthiophene with magnesium bromide. Specific steps include:
1. 4-Bromo-2-methylthiophene reacts with magnesium bromide to generate six-way tetrabromomagnesium thiophene.
2. Treat six-way tetrabromomagnesium thiophene with alcohol solvent and react with hydrochloric acid to form 4-Bromo-2-methylthiophene.
For safety information:
- 4-Bromo-2-methylthiophene is an organic compound, which has a certain degree of danger and should comply with safe operation procedures.
-It is a flammable liquid, should be stored in a cool, ventilated place, and avoid contact with heat and flame.
-Personal protective equipment such as goggles, gloves and protective clothing must be worn during use or handling to avoid inhalation, contact with skin or ingestion.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-Local codes and regulations should be followed during handling and storage.
Last Update：2024-04-09 15:17:56
