125857

2,3-Diaminopyridine

95%

• Empirical Formula (Hill Notation): C₅H₇N₃
• CAS Number: 452-58-4
• Molecular Weight: 109.13
• Beilstein: 109869
• EC Number: 207-200-9
• MDL number: MFCD00006319
• UNSPSC Code: 12352100
• PubChem Substance ID: 24847682
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 95%
• form: powder
• mp: 110-115 °C (lit.)
• solubility: H₂O: soluble 50 mg/mL, opaque (brown to very dark brown)
• SMILES string: Nc1cccnc1N
• InChI: 1S/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8)
• InChI key: ZZYXNRREDYWPLN-UHFFFAOYSA-N

Description

General description

2,3-Diaminopyridine forms the bis-condensed Schiff base with salicylaldehyde[1]. It forms charge transfer complex with tetrachloro-p-benzoquinone and tetracyanoethylene[2].

Application

2,3-Diaminopyridine was used in the synthesis of 2,3-diaminopyridinium-4-hydroxybenzoate[3]. It was used as internal standard in analysis of poly(amidoamine)dendrimers having different terminal functionalities by capillary electrophoresis[4]. It was used as reagent in synthesis of imidazopyridines[5] and organometallic complexes[6].

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves