2H-1-Benzopyran-2-one, 3-chloro-
3-Chlorocoumarin
CAS: 92-45-5
Molecular Formula: C9H5ClO2
2H-1-Benzopyran-2-one, 3-chloro- - Names and Identifiers
| Name | 3-Chlorocoumarin |
| Synonyms | NSC 54855 3-Chlorocoumarin 3-CHLOROCOUMARIN 3-chlorochromen-2-one 3-chloro-2H-chromen-2-one 3-Chloro-2H-1-benzopyran-2-one 2H-1-Benzopyran-2-one, 3-chloro- |
| CAS | 92-45-5 |
| InChI | InChI=1/C9H5ClO2/c10-7-5-6-3-1-2-4-8(6)12-9(7)11/h1-5H |
2H-1-Benzopyran-2-one, 3-chloro- - Physico-chemical Properties
| Molecular Formula | C9H5ClO2 |
| Molar Mass | 180.59 |
| Density | 1.4g/cm3 |
| Melting Point | 121-125 °C (lit.) |
| Boling Point | 325.4°C at 760 mmHg |
| Flash Point | 175°C |
| Solubility | soluble in Toluene |
| Vapor Presure | 0.00023mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| Storage Condition | Room Temprature |
| Refractive Index | 1.618 |
| MDL | MFCD00024073 |
2H-1-Benzopyran-2-one, 3-chloro- - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes |
| 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 |
2H-1-Benzopyran-2-one, 3-chloro- - Introduction
3-Chlorocoumarin(3-Chlorocoumarin) is an organic compound with the chemical formula C9H5ClO2. It is a white crystal with aromatic flavor.
3-Chlorocoumarin can be used in the synthesis of other organic compounds, such as fluorescent dyes, fragrances and pharmaceuticals. It is often used as a fluorescent indicator and an intermediate in organic synthesis. The compound has strong stability and activity, and can play an important role in a variety of reactions.
3-Chlorocoumarin can be prepared by reacting coumarin (coumarin) with chlorine. First, coumarin is dissolved in an appropriate solvent under a stream of chlorine gas, and then chlorinated chlorine gas and coumarin by irradiation with ultraviolet light or heating. After completion of the reaction, the 3-Chlorocoumarin product is obtained by an appropriate purification method.
Regarding safety information, 3-Chlorocoumarin is dangerous. It is a combustible material that burns when exposed to open flames or high temperatures. Avoid inhaling its dust and vapors, and avoid direct contact with skin and eyes during handling and use. Wear appropriate protective equipment such as gloves, glasses and laboratory coats when used in the laboratory. Proper storage and disposal of expired or discarded 3-Chlorocoumarin to avoid contamination of the environment.
Summary: 3-Chlorocoumarin is an organic compound commonly used in organic synthesis and fluorescence applications. Its preparation method is obtained by reacting coumarin with chlorine. It is necessary to pay attention to its safety when using and handling, and take appropriate protective measures.
3-Chlorocoumarin can be used in the synthesis of other organic compounds, such as fluorescent dyes, fragrances and pharmaceuticals. It is often used as a fluorescent indicator and an intermediate in organic synthesis. The compound has strong stability and activity, and can play an important role in a variety of reactions.
3-Chlorocoumarin can be prepared by reacting coumarin (coumarin) with chlorine. First, coumarin is dissolved in an appropriate solvent under a stream of chlorine gas, and then chlorinated chlorine gas and coumarin by irradiation with ultraviolet light or heating. After completion of the reaction, the 3-Chlorocoumarin product is obtained by an appropriate purification method.
Regarding safety information, 3-Chlorocoumarin is dangerous. It is a combustible material that burns when exposed to open flames or high temperatures. Avoid inhaling its dust and vapors, and avoid direct contact with skin and eyes during handling and use. Wear appropriate protective equipment such as gloves, glasses and laboratory coats when used in the laboratory. Proper storage and disposal of expired or discarded 3-Chlorocoumarin to avoid contamination of the environment.
Summary: 3-Chlorocoumarin is an organic compound commonly used in organic synthesis and fluorescence applications. Its preparation method is obtained by reacting coumarin with chlorine. It is necessary to pay attention to its safety when using and handling, and take appropriate protective measures.
Last Update：2024-04-09 21:32:44
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