2,3-Quinoxalinedione, 1,4-dihydro-1-methyl- - Names and Identifiers
Name | 1-Methyl-1,4-dihydroquinoxaline-2,3-dione
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Synonyms | 4-methyl-1H-quinoxaline-2,3-dione 4-methyl-1H-quinoxaline-2,3-quinone 1-Methylquinoxaline-2,3(1H,4H)-dione 1-Methyl-1,4-dihydroquinoxaline-2,3-dione 1-METHYL-1,4-DIHYDROQUINOXALINE-2,3-DIONE 2,3-Quinoxalinedione, 1,4-dihydro-1-methyl- 1,2,3,4-Tetrahydro-1-methyl-2,3-dioxoquinoxaline 2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI)
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CAS | 20934-51-4
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2,3-Quinoxalinedione, 1,4-dihydro-1-methyl- - Physico-chemical Properties
Molecular Formula | C9H8N2O2
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Molar Mass | 176.17 |
Density | 1.292±0.06 g/cm3(Predicted) |
Melting Point | 281-283 °C |
pKa | 10.23±0.20(Predicted) |
Storage Condition | Room Temprature |
2,3-Quinoxalinedione, 1,4-dihydro-1-methyl- - Risk and Safety
Hazard Symbols | T - Toxic
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Risk Codes | 25 - Toxic if swallowed
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Safety Description | 45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
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UN IDs | UN 2811 6.1 / PGIII |
2,3-Quinoxalinedione, 1,4-dihydro-1-methyl- - Introduction
1-Methyl-1,4-dihydroquinoxaline-2,3-dione, also known as 1-Methyl-1,4-dihydroquinoxaline-2,3-dione, is an organic compound. Its chemical formula is C9H6N2O2 and its molecular weight is 174.16g/mol.
Nature:
1-Methyl-1,4-dihydroquinoxaline-2,3-dione is a white crystalline solid with good thermal stability. It is almost insoluble in water and can be dissolved in many organic solvents, such as ethanol, dimethyl ether, etc.
Use:
1-Methyl-1,4-dihydroquinoxaline-2,3-dione is an important organic synthesis intermediate. It is widely used in drug synthesis, dye synthesis, pesticide synthesis and other fields. For example, it can be used for the synthesis of praziquantel anticancer drugs, phenyperidine antipsychotic drugs and the like.
Preparation Method:
1-Methyl-1,4-dihydroquinoxaline-2,3-dione has many preparation methods. one of the commonly used methods is that benzene and amine compounds undergo oxidation reaction to generate 1,4-quinoxaline-2,3-(1H,4H)-dione, and then the target product is obtained through methylation reaction.
Safety Information:
1-Methyl-1,4-dihydroquinoxaline-2,3-dione is currently not particularly dangerous. However, as a chemical, it still needs to be handled and used properly. During the operation, attention should be paid to avoid contact with skin, eyes and mucous membranes, wear protective gloves and glasses, and ensure good ventilation. If ingested or inhaled, seek medical help immediately.
Last Update:2024-04-09 20:45:29