Product Information
- 2,6-DAP
- 2,6-Dap
- 2,6-Diamino Pyridine
- 2,6-Diaminopyridin
- 2,6-Diaminopyridinium
- 2,6-Pyridinediamine
- DAP
- DAP (amine)
- Nsc 1921
- Nsc 403346
- See more synonyms
- Piridina-2,6-Diildiamina
- Pyridin-2,6-diyldiamin
- Pyridine, 2,6-Diamino-
- Pyridine-2,6-Diamine
- Pyridine-2,6-Diyldiamine
2,6-Diaminopyridine is a heterocyclic compound that is used in analytical chemistry as an indicator for the presence of protonated amines. It is prepared by coupling 2,6-diamino-pyridine with 1,3-benzodioxole-5-carboxylic acid. The nitrogen atoms are electron withdrawing groups and form hydrogen bonding interactions with the protonated amine. This type of interaction leads to a phase transition temperature of about 115°C and a high value for electrochemical impedance spectroscopy (EIS) measurements. The reaction mechanism involves the formation of a protonated amine from 2,6-diaminopyridine and 1,3-benzodioxole-5-carboxylic acid followed by proton transfer to yield the corresponding pyridinium salt.
Chemical properties
Technical inquiry about: 3D-FD00549 2,6-Diaminopyridine
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