(2S)-2-Ethyloxirane
(S)-(-)-1,2-Epoxybutane
CAS: 30608-62-9
Molecular Formula: C4H8O
(2S)-2-Ethyloxirane - Names and Identifiers
(2S)-2-Ethyloxirane - Physico-chemical Properties
| Molecular Formula | C4H8O |
| Molar Mass | 72.11 |
| Density | 0.837 g/mL at 25 °C (lit.) |
| Boling Point | 63 °C (lit.) |
| Flash Point | 10°F |
| Vapor Presure | 184mmHg at 25°C |
| Refractive Index | n20/D 1.386(lit.) |
(2S)-2-Ethyloxirane - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R40 - Limited evidence of a carcinogenic effect |
| 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. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3022 3/PG 2 |
| WGK Germany | 3 |
| HS Code | 29109000 |
| Hazard Class | 3 |
| Packing Group | II |
(2S)-2-Ethyloxirane - Introduction
(S)-(-)-1,2-epoxybutane, also known as (S)-(-)-1,2-epoxybutane, is an organic compound. The following is an introduction to its nature, use, preparation and safety information:
Nature:
(S)-(-)-1,2-epoxybutane is a colorless liquid with a volatile, flammable, and pungent odor. Its molecular formula is C4H8O and its molecular weight is 72.11g/mol. It has a density of 0.867g/cm³. It has a boiling point of 89-91 ° C and a melting point of -97 ° C.
Use:
(S)-(-)-1,2-epoxybutane is often used as an important intermediate in organic synthesis. It can be used to synthesize biologically active compounds, such as drugs, pesticides and optically active molecules important in organic synthesis. In addition, it can also be used in the fields of synthetic polymers, surfactants and coatings.
Method:
(S)-(-)-1,2-epoxybutane can be prepared by oxidation of (S)-(-)-2-bromobutane. Specifically, (S)-(-)-2-bromobutane is first reacted with benzoyl bromide peroxide (PhCOOBr) to give (S)-(-)-1,2-epoxybutane as the main product. In this process, it is necessary to use an appropriate solvent and catalyst to promote the reaction.
Safety Information:
(S)-(-)-1,2-epoxybutane has the risk of combustion, avoid contact with strong oxidants, strong acids and strong bases. Wear appropriate personal protective equipment, including goggles and gloves, when using or handling the compound. Avoid inhaling its vapors. In order to avoid potential health hazards, it should be operated in a well-ventilated area. If vapors are inhaled, immediately stay away from the scene and seek medical attention.
Nature:
(S)-(-)-1,2-epoxybutane is a colorless liquid with a volatile, flammable, and pungent odor. Its molecular formula is C4H8O and its molecular weight is 72.11g/mol. It has a density of 0.867g/cm³. It has a boiling point of 89-91 ° C and a melting point of -97 ° C.
Use:
(S)-(-)-1,2-epoxybutane is often used as an important intermediate in organic synthesis. It can be used to synthesize biologically active compounds, such as drugs, pesticides and optically active molecules important in organic synthesis. In addition, it can also be used in the fields of synthetic polymers, surfactants and coatings.
Method:
(S)-(-)-1,2-epoxybutane can be prepared by oxidation of (S)-(-)-2-bromobutane. Specifically, (S)-(-)-2-bromobutane is first reacted with benzoyl bromide peroxide (PhCOOBr) to give (S)-(-)-1,2-epoxybutane as the main product. In this process, it is necessary to use an appropriate solvent and catalyst to promote the reaction.
Safety Information:
(S)-(-)-1,2-epoxybutane has the risk of combustion, avoid contact with strong oxidants, strong acids and strong bases. Wear appropriate personal protective equipment, including goggles and gloves, when using or handling the compound. Avoid inhaling its vapors. In order to avoid potential health hazards, it should be operated in a well-ventilated area. If vapors are inhaled, immediately stay away from the scene and seek medical attention.
Last Update：2024-04-09 20:52:54
