21725-69-9 - Names and Identifiers
Name | 1,2-Benzisoxazol-3(2H)-one
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Synonyms | 1,2-benzisoxazol-3-ol 1,2-Benzisoxazol-3-ol benzo[d]isoxazol-3-ol 3-HYDROXYBENZISOXAZOLE 1,2-benzisoxazolin-3-one 1,2-benzoxazol-3(2H)-one 1,2-Benzisoxazol-3(2H)-one benzo[d]isoxazol-3(2H)-one 1,2-benzisoxazol-3(2h)-one 3-HYDROXY-1,2-BENZISOXAZOLE
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CAS | 21725-69-9
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InChI | InChI=1/C7H5NO2/c9-7-5-3-1-2-4-6(5)10-8-7/h1-4H,(H,8,9) |
21725-69-9 - Physico-chemical Properties
Molecular Formula | C7H5NO2
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Molar Mass | 135.12 |
Density | 1.323±0.06 g/cm3(Predicted) |
Melting Point | 140-142°C |
Boling Point | 299.867°C at 760 mmHg |
Flash Point | 135.155°C |
Vapor Presure | 0.001mmHg at 25°C |
pKa | 13.55±0.20(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.664 |
MDL | MFCD00125030 |
21725-69-9 - Risk and Safety
Hazard Symbols | Xi - Irritant
![Irritant](//res.chembk.com/assets/images/hs/Xi.gif)
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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
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WGK Germany | 3 |
RTECS | DE4933500 |
Hazard Class | IRRITANT |
21725-69-9 - Introduction
1,2-benzisoxazol-3 (2H)-one (1,2-benzisoxazol-3 (2H)-one) is an organic compound with the chemical formula C7H5NO2. It is a white solid, soluble in organic solvents such as ethanol and dimethylformamide.
One of the main uses of this compound is as an important intermediate for the synthesis of organic compounds. It can be used to synthesize various compounds with biological activity, such as drugs and pesticides. In addition, 1,2-benzisoxazol-3 (2H)-one can also be used as a building block for dyes and photosensitive materials.
The method of preparing 1,2-benzisoxazol-3 (2H)-one is usually completed by the benzisoxazole veral synthesis method. In this synthetic route, benzisoxazole is first reacted with an excess of oxidant, and then cyclized under acidic conditions to finally obtain 1,2-benzisoxazol-3 (2H)-one product.
Regarding safety information, 1,2-benzisoxazol-3 (2H)-one is considered a relatively safe compound under general conditions of use. However, as organic compounds, during handling and storage, corresponding laboratory safety procedures should be observed, such as wearing appropriate protective equipment and maintaining good ventilation. Due to the specific nature and use of the compound, it is recommended to consult the relevant safety data sheet and operating instructions before use.
Last Update:2024-04-09 20:52:54