Description

2,3-Diaminopyridine (CAS No. 452-58-4) is a high-purity aromatic diamine compound with the molecular formula C₅H₇N₃. This heterocyclic organic compound, also known by its IUPAC name pyridine-2,3-diamine, features two reactive amino groups at the 2- and 3-positions of the pyridine ring, making it a versatile building block for pharmaceutical synthesis, coordination chemistry, and materials science applications. Our product is rigorously tested to ensure >98% purity (HPLC) and is supplied as a crystalline solid with excellent batch-to-batch consistency. Ideal for researchers developing novel heterocyclic compounds, this diaminopyridine derivative shows particular utility in the synthesis of fused ring systems and as a ligand for transition metal complexes. The compound is packaged under inert gas in amber glass vials to ensure long-term stability and is accompanied by comprehensive analytical data including ¹H NMR, HPLC, and mass spectrometry reports.

Properties

• CAS Number: 452-58-4
• Complexity: 74.1
• IUPAC Name: pyridine-2,3-diamine
• InChI: InChI=1S/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8)
• InChI Key: ZZYXNRREDYWPLN-UHFFFAOYSA-N
• Exact Mass: 109.063997236
• Molecular Formula: C5H7N3
• Molecular Weight: 109.13
• SMILES: C1=CC(=C(N=C1)N)N
• Topological: 64.9
• Monoisotopic Mass: 109.063997236
• Synonyms: 2,3-Diaminopyridine, 452-58-4, pyridine-2,3-diamine, 2,3-Pyridinediamine, EINECS 207-200-9, NSC 45406, UNII-CBX394737H, BRN 0109869, DTXSID0051493, AI3-52327, NSC-45406, DTXCID9030676, 5-22-11-00241 (Beilstein Handbook Reference), 2,3-Pyridinediamine (9CI), 207-200-9, zzyxnrredywpln-uhfffaoysa-n, Pyridine, 2,3-diamino-, MFCD00006319, CBX394737H, Pyridine-2,3-diyldiamine, 2,3-diamino-pyridine, 2,3-Pyridinediamine; N2-Benzyl-2,3-pyridinediamine; NSC 45406, NSC45406, Pyridine,3-diamino-, 2,3 diamino pyridine, 2,3-Diaminopyridine, pyridine-2,3-diamine, SCHEMBL88338, 2,3-Diaminopyridine, 95%, SCHEMBL1794109, SCHEMBL3952094, SCHEMBL4240507, SCHEMBL10679762, SCHEMBL10683006, CHEBI:195591, BCP04951, CS-D1498, STR01839, Tox21_303818, BBL011063, SBB004339, STK802242, AKOS005135856, AC-3570, BG-0085, CCG-302490, FD07097, SB75564, NCGC00357096-01, BP-12738, CAS-452-58-4, DB-005118, D0117, NS00031511, ST51044456, EN300-56505, AC-907/25014077, 2,3-Diaminopyridine, Vetec(TM) reagent grade, 94%, Q27275394, F0001-1225, Z385438806, 76X

Application

2,3-Diaminopyridine serves as a key intermediate in the synthesis of pharmaceutical compounds, particularly those targeting neurological disorders. The compound finds extensive use in coordination chemistry as a bidentate ligand for transition metal catalysts in organic transformations. Researchers also employ this diamine in the development of conductive polymers and as a precursor for pyrido[2,3-d]pyrimidine derivatives with potential biological activity.

Safety and Hazards

GHS Hazard Statements

• H301 (15.2%): Toxic if swallowed [Danger Acute toxicity, oral]
• H302 (82.6%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (10.9%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (97.8%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (97.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (10.9%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (95.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 3 (15.2%)
• Acute Tox. 4 (82.6%)
• Acute Tox. 4 (10.9%)
• Skin Irrit. 2 (97.8%)
• Eye Irrit. 2 (97.8%)
• Acute Tox. 4 (10.9%)
• STOT SE 3 (95.7%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.