N-Methyl-2-oxindole
1-methyl-1,3-dihydro-2H-indol-2-one
CAS: 61-70-1
Molecular Formula: C9H9NO
N-Methyl-2-oxindole - Names and Identifiers
N-Methyl-2-oxindole - Physico-chemical Properties
| Molecular Formula | C9H9NO |
| Molar Mass | 147.17 |
| Density | 1.167±0.06 g/cm3(Predicted) |
| Melting Point | 85-88°C(lit.) |
| Boling Point | 110-120 °C(Press: 1 Torr) |
| Flash Point | 172.3°C |
| Vapor Presure | 5.92E-05mmHg at 25°C |
| pKa | 0.40±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.584 |
| MDL | MFCD00030253 |
N-Methyl-2-oxindole - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| 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 |
| RTECS | NM2208800 |
N-Methyl-2-oxindole - Introduction
1-methyl-1,3-dihydro-2H-indol-2-one, chemical formula C9H9NO, is an organic compound. It appeared as a colorless crystalline solid with a bitter taste.
1-methyl-1,3-dihydro-2H-indol-2-one has a variety of uses. First of all, it is an important organic synthesis intermediate, which can be used to synthesize various natural products, drugs and dyes and other compounds. Secondly, it can also be used as dyes, pigments, rubber processing aids and other industrial applications.
There are various methods for preparing 1-methyl-1,3-dihydro-2H-indol-2-one. A common method is by reacting the indole with a methylating agent. For example, methyl benzyl alcohol can be used to react with potassium hydroxide to give methyl indolone.
Safety issues need to be paid attention to when using and handling 1-methyl-1,3-dihydro-2H-indol-2-one. It may be irritating to the eyes, skin and respiratory system, so avoid contact when used. At the same time, good ventilation measures should be taken to avoid dust or vapor. When stored, it should be kept in a dry, cool place, away from fire and oxidizing agents. In addition, the disposal of waste should comply with the relevant environmental regulations. In laboratory and industrial use, correct operating methods and personal protective measures should be followed to ensure safe use.
1-methyl-1,3-dihydro-2H-indol-2-one has a variety of uses. First of all, it is an important organic synthesis intermediate, which can be used to synthesize various natural products, drugs and dyes and other compounds. Secondly, it can also be used as dyes, pigments, rubber processing aids and other industrial applications.
There are various methods for preparing 1-methyl-1,3-dihydro-2H-indol-2-one. A common method is by reacting the indole with a methylating agent. For example, methyl benzyl alcohol can be used to react with potassium hydroxide to give methyl indolone.
Safety issues need to be paid attention to when using and handling 1-methyl-1,3-dihydro-2H-indol-2-one. It may be irritating to the eyes, skin and respiratory system, so avoid contact when used. At the same time, good ventilation measures should be taken to avoid dust or vapor. When stored, it should be kept in a dry, cool place, away from fire and oxidizing agents. In addition, the disposal of waste should comply with the relevant environmental regulations. In laboratory and industrial use, correct operating methods and personal protective measures should be followed to ensure safe use.
Last Update：2024-04-09 21:11:58
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CAS: 61-70-1
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Mobile: 18021002903
QQ: 3008007409
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