Methanesulfonamide（CAS#3144-09-0）
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S24/25 – Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | T |
| HS Code | 29350090 |
| Hazard Class | IRRITANT |
Introduction
Methanesulfonyl chloride is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of methane sulfonamide:
Quality:
- Appearance: Methane sulfonamides are colorless to yellowish liquids
- Odor: Has a strong pungent odor
- Insoluble in water, but soluble in many organic solvents
Use:
- Alkyne conversion: Methane sulfonamide can be used as a reagent for alkyne conversion, e.g. to alkyne ketones or alcohols.
- Rubber processing: Methane sulfonamide is an important reagent used in the rubber industry to crosslink rubber or bond rubber to other materials.
Method:
Methane sulfonamide is usually prepared by:
Methanesulfonic acid is reacted with thionyl chloride.
Methylsulfonyl chloride and sulfonyl chloride are reacted.
Safety Information:
- Methane sulfonamide is irritating and corrosive and should be avoided when it comes into contact with the skin and eyes. Appropriate protective gloves and glasses should be worn when in use.
- Inhalation of gases or solutions may cause respiratory irritation and injury, and it is necessary to operate in a well-ventilated area when using it.
- Methane sulfonamide can produce toxic hydrogen chloride gas, so avoid contact with acids or water.
- Waste should be disposed of in accordance with local regulations and in accordance with relevant processing and disposal requirements.
