2-Methylthiophene
2-Methylthiophene
CAS: 554-14-3
Molecular Formula: C5H6S
2-Methylthiophene - Names and Identifiers
2-Methylthiophene - Physico-chemical Properties
| Molecular Formula | C5H6S |
| Molar Mass | 98.1661 |
| Density | 1.031g/cm3 |
| Melting Point | -63℃ |
| Boling Point | 107.9°C at 760 mmHg |
| Flash Point | 7.2°C |
| Water Solubility | immiscible |
| Vapor Presure | 31mmHg at 25°C |
| Refractive Index | 1.531 |
2-Methylthiophene - Risk and Safety
| Hazard Symbols | F - Flammable Xi - Irritant  |
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1993 |
2-Methylthiophene - Introduction
2-Methylthiophene is an organic sulfur compound with the chemical formula C5H6S. Its molecule contains a methyl group and a thiophene ring.
Regarding the properties of 2-Methylthiophene, it is a colorless liquid with a special sulfur compound smell at room temperature. It has a melting point of -34°C and a boiling point of 109°C. It is soluble in many organic solvents, such as ethanol, ether and benzene.
2-Methylthiophene has a wide range of applications in the field of chemistry and medicine. It is an important organic synthesis intermediate that can be used to synthesize compounds with thiophene structure. Thiophene compounds have a wide range of biological activities and potential applications, such as antibacterial, anti-tumor and anti-inflammatory.
There are two main methods for preparing 2-Methylthiophene. One method is to produce 4-methyl-2-thiopheneene by reaction of 1,3-butadiene with sulfur, followed by hydrogenation to obtain 2-Methylthiophene. Another method is to react 2-oxothiophene with methyl sulfonic acid chloride to form the sulfonic acid ester of 2-Methylthiophene, and then obtain 2-Methylthiophene by deprotection reaction.
Regarding safety information, 2-Methylthiophene is a flammable liquid, irritating and dangerous vapor. Avoid contact with fire and high temperature during operation and storage, and maintain good ventilation conditions. Rinse with plenty of water immediately after contact with eyes and skin. Appropriate protective equipment such as gloves, goggles and protective clothing should be worn during handling.
Regarding the properties of 2-Methylthiophene, it is a colorless liquid with a special sulfur compound smell at room temperature. It has a melting point of -34°C and a boiling point of 109°C. It is soluble in many organic solvents, such as ethanol, ether and benzene.
2-Methylthiophene has a wide range of applications in the field of chemistry and medicine. It is an important organic synthesis intermediate that can be used to synthesize compounds with thiophene structure. Thiophene compounds have a wide range of biological activities and potential applications, such as antibacterial, anti-tumor and anti-inflammatory.
There are two main methods for preparing 2-Methylthiophene. One method is to produce 4-methyl-2-thiopheneene by reaction of 1,3-butadiene with sulfur, followed by hydrogenation to obtain 2-Methylthiophene. Another method is to react 2-oxothiophene with methyl sulfonic acid chloride to form the sulfonic acid ester of 2-Methylthiophene, and then obtain 2-Methylthiophene by deprotection reaction.
Regarding safety information, 2-Methylthiophene is a flammable liquid, irritating and dangerous vapor. Avoid contact with fire and high temperature during operation and storage, and maintain good ventilation conditions. Rinse with plenty of water immediately after contact with eyes and skin. Appropriate protective equipment such as gloves, goggles and protective clothing should be worn during handling.
Last Update：2024-04-09 21:54:55
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View History
2-Methylthiophene
71271-24-4
Beta-Ala-Pro-Dab-NHBzl
4-Bromophenyl phenyl ketone
53494-70-5
1-(4-chlorophenyl)-2-(2-imino-3-propyl-2,3-dihydro-1H-benzimidazol-1-yl)ethanol
1266975-27-2
ortho-nitro-toluene-para-sulphonicacid
Difenoconazole E.C.
745-64-2
71271-24-4
Beta-Ala-Pro-Dab-NHBzl
4-Bromophenyl phenyl ketone
53494-70-5
1-(4-chlorophenyl)-2-(2-imino-3-propyl-2,3-dihydro-1H-benzimidazol-1-yl)ethanol
1266975-27-2
ortho-nitro-toluene-para-sulphonicacid
Difenoconazole E.C.
745-64-2