2H-Chromen-3(4H)-one
3-Chromanone
CAS: 19090-04-1
Molecular Formula: C9H8O2
2H-Chromen-3(4H)-one - Names and Identifiers
| Name | 3-Chromanone |
| Synonyms | 3-Chromanone ChroMan-3-one 4h-chromen-3-one 2H-Chromen-3(4H)-one 2H-1-Benzopyran-3(4H)-one 2H-1-benzopyran-3(4H)-one |
| CAS | 19090-04-1 |
| InChI | InChI=1/C9H8O2/c10-8-5-7-3-1-2-4-9(7)11-6-8/h1-4H,5-6H2 |
2H-Chromen-3(4H)-one - Physico-chemical Properties
| Molecular Formula | C9H8O2 |
| Molar Mass | 148.16 |
| Density | 1.197g/cm3 |
| Boling Point | 281.452°C at 760 mmHg |
| Flash Point | 136.065°C |
| Vapor Presure | 0.004mmHg at 25°C |
| Storage Condition | 2-8°C |
| Refractive Index | 1.562 |
2H-Chromen-3(4H)-one - Introduction
3-Chromanone is an organic compound with the chemical formula C10H10O2. It is a white solid with a special aromatic smell. The following is a description of the nature, use, preparation and safety information of 3-Chromanone:
Nature:
- 3-Chromanone is a slightly water-soluble organic solvent, soluble in many organic solvents, such as ethanol, acetone and dimethylformamide.
-It has a medium vapor pressure and flash point, and is flammable.
-Stable at room temperature and may decompose when exposed to heat.
Use:
- 3-Chromanone is commonly used as a pharmaceutical intermediate for the synthesis of various pharmaceutical compounds.
-It is also used in organic synthesis reactions, such as esterification reactions, carbonylation reactions, etc.
Method:
- 3-Chromanone is generally prepared by organic synthesis methods. A common preparation method is:
1. Oxidation of Chroman to the corresponding aldehyde;
2. Condensation reaction in the presence of aldehyde to produce 3-Chromanone.
Safety Information:
- 3-Chromanone dust may be irritating to the eyes and skin, so you should wear protective glasses and gloves when using it to avoid contact with the skin.
-During operation, be careful to avoid the release of toxic gases and vapors when heating.
-should be kept away from fire, stored in a dry, cool place, and with the oxidant, acid and other separate storage.
-When handling 3-Chromanone, pay attention to safe operation and follow relevant dangerous goods handling regulations.
Nature:
- 3-Chromanone is a slightly water-soluble organic solvent, soluble in many organic solvents, such as ethanol, acetone and dimethylformamide.
-It has a medium vapor pressure and flash point, and is flammable.
-Stable at room temperature and may decompose when exposed to heat.
Use:
- 3-Chromanone is commonly used as a pharmaceutical intermediate for the synthesis of various pharmaceutical compounds.
-It is also used in organic synthesis reactions, such as esterification reactions, carbonylation reactions, etc.
Method:
- 3-Chromanone is generally prepared by organic synthesis methods. A common preparation method is:
1. Oxidation of Chroman to the corresponding aldehyde;
2. Condensation reaction in the presence of aldehyde to produce 3-Chromanone.
Safety Information:
- 3-Chromanone dust may be irritating to the eyes and skin, so you should wear protective glasses and gloves when using it to avoid contact with the skin.
-During operation, be careful to avoid the release of toxic gases and vapors when heating.
-should be kept away from fire, stored in a dry, cool place, and with the oxidant, acid and other separate storage.
-When handling 3-Chromanone, pay attention to safe operation and follow relevant dangerous goods handling regulations.
Last Update：2024-04-09 20:49:11
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