5-NITRO-2-OXINDOLE
5-Nitrooxindole
CAS: 20870-79-5
Molecular Formula: C8H6N2O3
5-NITRO-2-OXINDOLE - Names and Identifiers
| Name | 5-Nitrooxindole |
| Synonyms | 5-Nitrooxidole 5-NITROOXINDOLE 5-Nitrooxindole 5-NITRO-2-OXINDOLE 5-Nitro-2-oxindole 5-Nitroindolin-2-one 5-nitroindolin-2-one 5-NITRO-1,3-DIHYDROINDOLE-2-ONE 5-nitro-1,3-dihydro-2H-indol-2-one 5-Nitro-1,3-dihydro-2H-indol-2-one 2H-INDOL-2-ONE, 1,3-DIHYDRO-5-NITRO |
| CAS | 20870-79-5 |
| InChI | InChI=1/C8H6N2O3/c11-8-4-5-3-6(10(12)13)1-2-7(5)9-8/h1-3H,4H2,(H,9,11) |
5-NITRO-2-OXINDOLE - Physico-chemical Properties
| Molecular Formula | C8H6N2O3 |
| Molar Mass | 178.14 |
| Density | 1.449±0.06 g/cm3(Predicted) |
| Melting Point | 233-236 °C |
| Boling Point | 411.4±45.0 °C(Predicted) |
| Flash Point | 202.593°C |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | Crystallization |
| pKa | 12.61±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.632 |
| MDL | MFCD00456999 |
5-NITRO-2-OXINDOLE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| Hazard Note | Irritant/Keep Cold |
5-NITRO-2-OXINDOLE - Introduction
5-Nitrooxindole, chemical formula C8H5N3O3, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 5-Nitrooxindole as a yellow crystalline solid.
-Solubility: It has better solubility in organic solvents, but lower solubility in water.
-Melting point: 5-Nitrooxindole has a high melting point, about 200-210 degrees Celsius.
Use:
-Chemical reagent: 5-Nitrooxindole is commonly used as an intermediate and reagent for organic synthesis.
-Fluorescent dye: It has fluorescent activity and can be used as a dye in biomedical research, staining and microscopic labeling.
Method:
The preparation method of 5-Nitrooxindole is mainly through the following reaction pathways:
-It can be prepared by the reaction of indolone and nitric acid, and the reaction conditions are usually at room temperature.
-In addition, 5-Nitrooxindole can also be prepared by the reaction of indole and nitric acid.
Safety Information:
- 5-Nitrooxindole may be harmful to human body and environment, so it is necessary to follow relevant safety operation procedures when using and handling.
-Inhalation or exposure to 5-Nitrooxindole may cause respiratory irritation, eye and skin irritation, so wear appropriate protective gloves, glasses and a mask.
-During storage and disposal, it needs to be stored separately from other chemicals to avoid contact with combustibles or oxidants.
-In case of inadvertent inhalation or contact, immediately stay away from the source and seek medical help.
Nature:
-Appearance: 5-Nitrooxindole as a yellow crystalline solid.
-Solubility: It has better solubility in organic solvents, but lower solubility in water.
-Melting point: 5-Nitrooxindole has a high melting point, about 200-210 degrees Celsius.
Use:
-Chemical reagent: 5-Nitrooxindole is commonly used as an intermediate and reagent for organic synthesis.
-Fluorescent dye: It has fluorescent activity and can be used as a dye in biomedical research, staining and microscopic labeling.
Method:
The preparation method of 5-Nitrooxindole is mainly through the following reaction pathways:
-It can be prepared by the reaction of indolone and nitric acid, and the reaction conditions are usually at room temperature.
-In addition, 5-Nitrooxindole can also be prepared by the reaction of indole and nitric acid.
Safety Information:
- 5-Nitrooxindole may be harmful to human body and environment, so it is necessary to follow relevant safety operation procedures when using and handling.
-Inhalation or exposure to 5-Nitrooxindole may cause respiratory irritation, eye and skin irritation, so wear appropriate protective gloves, glasses and a mask.
-During storage and disposal, it needs to be stored separately from other chemicals to avoid contact with combustibles or oxidants.
-In case of inadvertent inhalation or contact, immediately stay away from the source and seek medical help.
Last Update：2024-04-10 22:29:15
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CAS: 20870-79-5
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