Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate)

Also known as: Tetraethyl [2,2'-bipyridine]-4,4'-diylbis(phosphonate), 4,4'-bis(diethyl phosphonato)-2,2'-bipyridine, 4,4'-bis(diethoxyphosphoryl)-2,2'-bipyridine, tetraethyl 2,2'-bipyridine-4,4'-diyldiphosphonate

Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate) (CAS 174397-53-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H26N2O6P2 and a molecular weight of 428.35600 g/mol. Key properties include a boiling point of 553.43ºC at 760 mmHg, a density of 1.255g/cm3 and a flash point of 288.504ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 174397-53-6
Jingsj CID: J-1313899-3
Molecular Formula: C₁₈H₂₆N₂O₆P₂
Molecular Weight: 428.35600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	553.43ºC at 760 mmHg
Density	1.255g/cm3
Flash Point	288.504ºC
Exact Mass	428.12700
PSA	116.46000
LogP	3.92640
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.524

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate)?

The CAS number of Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate) is 174397-53-6.

What are the molecular formula and molecular weight of Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate)?

Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate) has molecular formula C18H26N2O6P2 and molecular weight 428.35600 g/mol.

What are the upstream and downstream products of Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate)?

For Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate), Upstream Products: 4,4'-dibromo-2,2'-bipyridine, Diethyl phosphite, 4,4'-Dimethoxy-2,2'-bipyridine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Tetraethyl 2,2'-bipyridine-4,4'-diylbis(phosphonate) (CAS 174397-53-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1313899-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.