Description

Diethyl 2,2′:6′,2”-Terpyridine-4′-phosphonate (CAS No. 161583-75-1) is a high-purity, organophosphorus compound with the molecular formula C₁₉H₂₀N₃O₃P. This terpyridine derivative features a phosphonate ester group at the 4′-position, making it a versatile building block for coordination chemistry, catalysis, and materials science applications. The compound is characterized by its three nitrogen donor sites, which enable strong metal-binding properties, particularly with transition metals. Its IUPAC name is 4-diethoxyphosphoryl-2,6-dipyridin-2-ylpyridine. Suitable for research in supramolecular chemistry, metal-organic frameworks (MOFs), and luminescent materials, this product is supplied with comprehensive analytical data (NMR, HPLC, MS) to ensure quality and consistency. Store under inert conditions at recommended temperatures to maintain stability.

Properties

• CAS Number: 161583-75-1
• Complexity: 443
• IUPAC Name: 4-diethoxyphosphoryl-2,6-bis(2-pyridyl)pyridine
• InChI: InChI=1S/C19H20N3O3P/c1-3-24-26(23,25-4-2)15-13-18(16-9-5-7-11-20-16)22-19(14-15)17-10-6-8-12-21-17/h5-14H,3-4H2,1-2H3
• InChI Key: MDIMWBGOUZAXEP-UHFFFAOYSA-N
• Exact Mass: 369.12422851
• Molecular Formula: C19H20N3O3P
• Molecular Weight: 369.4
• SMILES: CCOP(=O)(C1=CC(=NC(=C1)C2=CC=CC=N2)C3=CC=CC=N3)OCC
• Topological: 74.2
• Monoisotopic Mass: 369.12422851
• Synonyms: Diethyl 2,2′:6′,2”-terpyridine-4′-phosphonate, 808-016-7, 161583-75-1, Diethyl [2,2′:6′,2”-terpyridin]-4′-ylphosphonate, Phosphonic acid, P-[2,2′:6′,2”-terpyridin]-4′-yl-, diethyl ester, 4-diethoxyphosphoryl-2,6-dipyridin-2-ylpyridine, Diethyl 2,2/’:6/’,2/’/’-terpyridine-4/’-phosphonate, MFCD11042551, YSWG818, SCHEMBL23037082, DTXSID80745422, CS-0086563, D4511, D90298, Diethyl[2,2′:6′,2”-terpyridin]-4′-ylphosphonate, 2,2′:6′,2”-Terpyridine-4′-phosphonic Acid Diethyl Ester, Diethyl [1~2~,2~2~:2~6~,3~2~-terpyridin]-2~4~-ylphosphonate

Application

Diethyl 2,2′:6′,2”-Terpyridine-4′-phosphonate is widely used as a ligand in the synthesis of transition metal complexes for catalytic and photophysical studies. Its terpyridine core facilitates the formation of stable coordination polymers and metallosupramolecular architectures. Researchers employ this compound in the development of electroactive materials, sensors, and light-harvesting systems due to its tunable electronic properties. It also serves as a precursor for functionalized terpyridines in surface modification and nanotechnology applications.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)

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