p-tolylsulfonylacetylene
ETHYNYL P-TOLYL SULFONE
CAS: 13894-21-8
Molecular Formula: C9H8O2S
p-tolylsulfonylacetylene - Names and Identifiers
| Name | ETHYNYL P-TOLYL SULFONE |
| Synonyms | TOSYLACETYLENE ETHYNYL P-TOLYL SULFONE Ethynyl p-Tolyl Sulfone p-tolylsulfonylacetylene P-TOLUENESULFONYLACETYLENE 1-(ethynylsulfonyl)-4-methylbenzene 1-(ethynylsulfonyl)-4-Methylbenzene p-Toluenesulfonylacetylene, Tosylacetylene p-Toluenesulfonylacetylene, Tosylacetylene |
| CAS | 13894-21-8 |
| InChI | InChI=1/C9H8O2S/c1-3-12(10,11)9-6-4-8(2)5-7-9/h1,4-7H,2H3 |
p-tolylsulfonylacetylene - Physico-chemical Properties
| Molecular Formula | C9H8O2S |
| Molar Mass | 180.22 |
| Density | 1.219g/cm3 |
| Melting Point | 73-74 °C (lit.) |
| Boling Point | 297.9°C at 760 mmHg |
| Flash Point | 155.6°C |
| Solubility | organic solvents: soluble(lit.) |
| Vapor Presure | 0.00233mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| BRN | 2556169 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.552 |
| MDL | MFCD00191647 |
| Physical and Chemical Properties | WGK Germany:3 |
p-tolylsulfonylacetylene - Risk and Safety
| 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. |
| WGK Germany | 3 |
| HS Code | 29041000 |
p-tolylsulfonylacetylene - Introduction
Ethynyl-p-tolyl sulfone (abbreviated as Tosyl ethyne) is an organic compound with the chemical formula C10H10O2S. The following is a description of the properties, uses, preparation methods and safety information of ethynyl p-tolyl sulfone:
Properties: Ethynyl p-tolyl sulfone is a solid with a white crystal or powder appearance. It has a high melting point and boiling point, difficult to dissolve in water, but soluble in common organic solvents.
Uses: Ethynyl p-tolyl sulfone is widely used in organic synthesis. It is an effective protecting group to protect hydroxyl and amine groups in organic molecules. In addition, it can also be used as a catalyst and reagent for certain reactions.
Preparation Method: Ethynyl p-tolyl sulfone can be obtained by reacting p-tolyl sulfone with triethylamine and cuprous carbonate. The specific preparation method can refer to the relevant literature such as the handbook of organic synthetic chemistry.
Safety information: Ethynyl p-tolyl sulfone should be kept safe during storage and operation. It is a combustible substance and contact with a fire source may cause a fire or explosion. Contact with oxidants, acids and bases should be avoided. Wear appropriate protective equipment, pay attention to ventilation conditions, and follow correct operating procedures when using. In case of accidental skin contact or inhalation, rinse immediately with water and seek medical advice.
Properties: Ethynyl p-tolyl sulfone is a solid with a white crystal or powder appearance. It has a high melting point and boiling point, difficult to dissolve in water, but soluble in common organic solvents.
Uses: Ethynyl p-tolyl sulfone is widely used in organic synthesis. It is an effective protecting group to protect hydroxyl and amine groups in organic molecules. In addition, it can also be used as a catalyst and reagent for certain reactions.
Preparation Method: Ethynyl p-tolyl sulfone can be obtained by reacting p-tolyl sulfone with triethylamine and cuprous carbonate. The specific preparation method can refer to the relevant literature such as the handbook of organic synthetic chemistry.
Safety information: Ethynyl p-tolyl sulfone should be kept safe during storage and operation. It is a combustible substance and contact with a fire source may cause a fire or explosion. Contact with oxidants, acids and bases should be avoided. Wear appropriate protective equipment, pay attention to ventilation conditions, and follow correct operating procedures when using. In case of accidental skin contact or inhalation, rinse immediately with water and seek medical advice.
Last Update：2024-04-10 22:29:15
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