2,3-Pyridinedicarbimide - Names and Identifiers
Name | pyridine-2,3-dicarboximide
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Synonyms | NSC 405554 Quinolinimide QUINOLINICACIDAMIDE 2,3-Pyridinedicarbimide Pyridine-2,3-dicarbimide 3,4-Pyridinedicarboximide 2,3-Pyridinedicarboximide 2,3-PYRIDINEDICARBOXAMIDE pyridine-2,3-dicarboximide 6H-Pyrrolo[3,4-b]pyridine-5,7-dione 5H-pyrrolo[3,4-b]pyridine-5,7(6H)-dione 1H-pyrrolo[3,4-c]pyridine-1,3(2H)-dione
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CAS | 4664-00-0
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EINECS | 225-107-1 |
InChI | InChI=1/C7H4N2O2/c10-6-4-1-2-8-3-5(4)7(11)9-6/h1-3H,(H,9,10,11) |
2,3-Pyridinedicarbimide - Physico-chemical Properties
Molecular Formula | C7H4N2O2
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Molar Mass | 148.12 |
Density | 1.4015 (rough estimate) |
Melting Point | 233-234°C |
Boling Point | 268.69°C (rough estimate) |
Solubility | Dichloromethane, Ether, Ethyl Acetate, Methanol |
Appearance | Solid |
Color | Brown |
pKa | 8.08±0.20(Predicted) |
Storage Condition | Refrigerator |
Refractive Index | 1.5300 (estimate) |
2,3-Pyridinedicarbimide - Risk and Safety
Hazard Symbols | Xi - Irritant
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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.
S37/39 - Wear suitable gloves and eye/face protection
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2,3-Pyridinedicarbimide - Introduction
pyridine-2,3-dicarboximide is an organic compound with the chemical formula C7H4N2O2. The following is a description of the nature, use, formulation and safety information of pyridine-2,3-dicarboximide:
1. nature:
-Appearance: pyridine-2,3-dicarboximide is a white crystalline solid.
-Melting point: Its melting point is about 170-173 degrees Celsius.
-Solubility: pyridine-2,3-dicarboximide is slightly soluble in water and soluble in organic solvents such as ethanol, methanol and dichloromethane.
2. use:
-phthalic acid dianhydride substitute: pyridine-2,3-dicarboximide can be used as a substitute for phthalic acid dianhydride and play an important role in the preparation of polymers such as polyamides and polyimides.
-Chemical reagent: pyridine-2,3-dicarboximide can be used as an important chemical reagent for the synthesis of intermediates and ligands in organic synthesis.
3. Preparation method:
pyridine-2,3-dicarboximide can be prepared by the reaction of 2,3-picolinic acid chloride and ammonia.
4. Safety Information:
- pyridine-2,3-dicarboximide is less toxic to the human body under normal conditions, but it is still recommended to take appropriate protective measures during operation, such as wearing gloves and protective glasses.
-Avoid inhaling organic gases and ensure a well-ventilated operating environment.
-Follow safe operating procedures when storing and handling compounds, and keep them away from flammable materials and oxidants.
Last Update:2024-04-10 22:29:15