Sulfoxide, methyl phenyl
Methyl phenyl sulfoxide
CAS: 1193-82-4
Molecular Formula: C7H8OS
Sulfoxide, methyl phenyl - Names and Identifiers
| Name | Methyl phenyl sulfoxide |
| Synonyms | Thioanisole S-oxide Phenyl methyl sulfoxide (methylsulfinyl)benzene METHYL PHENYL SULFOXIDE (Methylsulfinyl)benzene Methyl phenyl sulfoxide Sulfoxide, methyl phenyl (methylsulphinyl)benzene METHYL PHENYL SULPHOXIDE Methyl phenyl sulphoxide |
| CAS | 1193-82-4 |
| EINECS | 214-781-2 |
| InChI | InChI=1/C7H8OS/c1-9(8)7-5-3-2-4-6-7/h2-6H,1H3 |
Sulfoxide, methyl phenyl - Physico-chemical Properties
| Molecular Formula | C7H8OS |
| Molar Mass | 140.2 |
| Density | 1.1182 (rough estimate) |
| Melting Point | 26-29 °C (lit.) |
| Boling Point | 139-140 °C/14 mmHg (lit.) |
| Flash Point | 187°F |
| Vapor Presure | 0.0109mmHg at 25°C |
| Appearance | Crystalline Low Melting Mass |
| Color | White |
| BRN | 1904976 |
| Storage Condition | 2-8°C |
| Sensitive | Hygroscopic |
| Refractive Index | n20/D 1.5775(lit.) |
| MDL | MFCD00002088 |
Sulfoxide, methyl phenyl - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S39 - Wear eye / face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29309090 |
Sulfoxide, methyl phenyl - Introduction
Phenylsulfoxide methyl ester is an organic compound with the chemical formula C6H5SO2OCH3, it is a colorless liquid with a strong aroma. The following is a description of the nature, use, preparation and safety information of phenyl sulfoxide methyl ester:
Nature:
-Phenylsulfoxide methyl ester has a lower boiling point and a higher flash point, and is soluble in many organic solvents, such as ethanol and ether.
-It is a stable compound that is not easy to decompose at room temperature.
Use:
-Phenylsulfoxide methyl ester is often used as an important reagent in organic synthesis. It can be used as a sulfonylation reagent for the synthesis of various organic sulfonyl compounds.
-It can also be used as an intermediate in drug synthesis and pesticide synthesis.
Preparation Method:
-The preparation of methyl phenyl sulfoxide is generally obtained by reacting phenyl sulfoxide with methanol. The reaction conditions can be carried out under acidic conditions, and commonly used catalysts are sulfuric acid and sulfonic acid.
Safety Information:
-Phenylsulfoxide methyl ester is a flammable liquid and should be kept away from open flames and heat sources. Appropriate personal protective equipment such as chemical goggles and gloves should be worn during operation.
-It is irritating to the eyes and skin, and should be rinsed with water immediately when in contact. If swallowed or inhaled, seek medical attention as soon as possible.
-Waste and residues should be disposed of in accordance with local regulations.
Nature:
-Phenylsulfoxide methyl ester has a lower boiling point and a higher flash point, and is soluble in many organic solvents, such as ethanol and ether.
-It is a stable compound that is not easy to decompose at room temperature.
Use:
-Phenylsulfoxide methyl ester is often used as an important reagent in organic synthesis. It can be used as a sulfonylation reagent for the synthesis of various organic sulfonyl compounds.
-It can also be used as an intermediate in drug synthesis and pesticide synthesis.
Preparation Method:
-The preparation of methyl phenyl sulfoxide is generally obtained by reacting phenyl sulfoxide with methanol. The reaction conditions can be carried out under acidic conditions, and commonly used catalysts are sulfuric acid and sulfonic acid.
Safety Information:
-Phenylsulfoxide methyl ester is a flammable liquid and should be kept away from open flames and heat sources. Appropriate personal protective equipment such as chemical goggles and gloves should be worn during operation.
-It is irritating to the eyes and skin, and should be rinsed with water immediately when in contact. If swallowed or inhaled, seek medical attention as soon as possible.
-Waste and residues should be disposed of in accordance with local regulations.
Last Update：2024-04-09 02:00:41
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