2,2'-bipyridyl-4,4'-diphosphonic ethyl ester

Modify Date: 2026-07-24 18:15:32

2,2'-bipyridyl-4,4'-diphosphonic ethyl ester Structure
2,2'-bipyridyl-4,4'-diphosphonic ethyl ester structure
Common Name 2,2'-bipyridyl-4,4'-diphosphonic ethyl ester
CAS Number 174397-53-6 Molecular Weight 428.35600
Density 1.255g/cm3 Boiling Point 553.43ºC at 760 mmHg
Molecular Formula C18H26N2O6P2 Melting Point N/A
MSDS N/A Flash Point 288.504ºC

Summary: 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine, also known as 2,2'-bipyridyl-4,4'-diphosphonic ethyl ester, with CAS number 174397-53-6 and molecular formula C18H26N2O6P2. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.255g/cm3
Boiling Point 553.43ºC at 760 mmHg
Molecular Formula C18H26N2O6P2
Molecular Weight 428.35600
Flash Point 288.504ºC
Exact Mass 428.12700
PSA 116.46000
LogP 3.92640
Vapour Pressure 0mmHg at 25°C
Index of Refraction 1.524
InChIKey BBFROMDCBUIPCU-UHFFFAOYSA-N
SMILES CCOP(=O)(OCC)c1ccnc(-c2cc(P(=O)(OCC)OCC)ccn2)c1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933399090

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

TETRAETHYL 2,2'-BIPYRIDINE-4,4'-BISPHOSPHONATE
Tetraethyl [2,2'-bipyridine]-4,4'-diylbis(phosphonate)
4,4'-(diethyl phosphonato)-2,2'-bipyridine
tetraethyl 2,2'-bipyridine-4,4'-diyldiphosphonate
4,4'-diethyl ester phosphonate-2,2'-bipyridine
2,2'-bipyridyl-4,4'-diphosphonic ethyl ester
4,4'-bis(diethylphosphonate)-2,2'-bipyridine
2,2'-bipyridine-4,4'-(diethyl phosphonate)

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: Molecular weight of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is 428.35600.
Q: What is the InChIKey of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: InChIKey of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is BBFROMDCBUIPCU-UHFFFAOYSA-N.
Q: What is the CAS number of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: CAS number of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is 174397-53-6.
Q: What is the molecular formula of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: Molecular formula of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is C18H26N2O6P2.
Q: What is the SMILES notation of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: SMILES notation of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is CCOP(=O)(OCC)c1ccnc(-c2cc(P(=O)(OCC)OCC)ccn2)c1.
Q: What is the boiling point of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: Boiling point of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is 553.43ºC at 760 mmHg.
Q: What are the upstream materials of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: Related upstream materials(CAS) of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine: 18511-71-2;762-04-9;17217-57-1.
Q: What is the polar surface area (PSA) of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: Polar surface area (PSA) of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is 116.46000.
Q: What is the English name of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine?
A: The English name of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine is 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine.
Q: What English synonyms does 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine have?
A: English synonyms of 4-diethoxyphosphoryl-2-(4-diethoxyphosphorylpyridin-2-yl)pyridine: TETRAETHYL 2,2'-BIPYRIDINE-4,4'-BISPHOSPHONATE, Tetraethyl [2,2'-bipyridine]-4,4'-diylbis(phosphonate), 4,4'-(diethyl phosphonato)-2,2'-bipyridine, tetraethyl 2,2'-bipyridine-4,4'-diyldiphosphonate, 4,4'-diethyl ester phosphonate-2,2'-bipyridine, 2,2'-bipyridyl-4,4'-diphosphonic ethyl ester, 4,4'-bis(diethylphosphonate)-2,2'-bipyridine, 2,2'-bipyridine-4,4'-(diethyl phosphonate).

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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