4,5-dihydrooxazole
4,5-Dihydrooxazole
CAS: 504-77-8
Molecular Formula: C3H5NO
4,5-dihydrooxazole - Names and Identifiers
| Name | 4,5-Dihydrooxazole |
| Synonyms | 4,5-Dihydrooxazole 4,5-dihydrooxazole Oxazole, 4,5-dihydro- 4,5-dihydro-1,3-oxazol 4,5-dihydro-1,3-oxazole |
| CAS | 504-77-8 |
| EINECS | 208-000-4 |
| InChI | InChI=1/C3H5NO/c1-2-5-3-4-1/h3H,1-2H2 |
4,5-dihydrooxazole - Physico-chemical Properties
| Molecular Formula | C3H5NO |
| Molar Mass | 71.08 |
| Density | 1.13 |
| Melting Point | 168-1720C |
| Boling Point | 74℃ |
| Flash Point | 5℃ |
| pKa | 4.75±0.50(Predicted) |
4,5-dihydrooxazole - Introduction
4,5-Dihydrooxazole (4,5-Dihydrooxazole) is an organic compound with the formula C3H5NO. The following is a description of its nature, use, preparation and safety information:
Nature:
4,5-Dihydrooxazole is a colorless to yellow liquid with a pungent odor. It has a boiling point of 125-130°C and a density of 0.990g/cm³. It is insoluble in water, but soluble in organic solvents such as alcohols, ethers and ketones.
Use:
4,5-Dihydrooxazole has a wide range of applications in the field of organic synthesis. It can be used as a chemical reagent, catalyst or intermediate. It is widely used in the preparation of organic compounds such as pharmaceuticals, pesticides, dyes and fragrances.
Preparation Method:
4,5-Dihydrooxazole can be prepared by a variety of methods. A common method of preparation is the reaction of nitroso acetylacetone with an alcohol or ether, followed by a dehydration reaction to form the product. In addition, it can also be produced by other methods such as oxidative cycloaddition, ammonia synthesis, and Grignard reaction.
Safety Information:
4,5-Dihydrooxazole can be considered relatively safe under general conditions. However, as an organic compound, it may be irritating and toxic to the human body, so correct laboratory operations and personal protective measures should be followed during use. In case of contact with skin or eyes, rinse immediately with plenty of water. When major leakage occurs, appropriate protective measures and cleaning methods should be taken. To ensure safe use, please follow the relevant safety procedures and chemical management regulations.
Nature:
4,5-Dihydrooxazole is a colorless to yellow liquid with a pungent odor. It has a boiling point of 125-130°C and a density of 0.990g/cm³. It is insoluble in water, but soluble in organic solvents such as alcohols, ethers and ketones.
Use:
4,5-Dihydrooxazole has a wide range of applications in the field of organic synthesis. It can be used as a chemical reagent, catalyst or intermediate. It is widely used in the preparation of organic compounds such as pharmaceuticals, pesticides, dyes and fragrances.
Preparation Method:
4,5-Dihydrooxazole can be prepared by a variety of methods. A common method of preparation is the reaction of nitroso acetylacetone with an alcohol or ether, followed by a dehydration reaction to form the product. In addition, it can also be produced by other methods such as oxidative cycloaddition, ammonia synthesis, and Grignard reaction.
Safety Information:
4,5-Dihydrooxazole can be considered relatively safe under general conditions. However, as an organic compound, it may be irritating and toxic to the human body, so correct laboratory operations and personal protective measures should be followed during use. In case of contact with skin or eyes, rinse immediately with plenty of water. When major leakage occurs, appropriate protective measures and cleaning methods should be taken. To ensure safe use, please follow the relevant safety procedures and chemical management regulations.
Last Update：2024-04-09 20:52:54
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