Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 611860Generated: October 23, 2026

2-(2-(Diphenylphosphino)ethyl)pyridine

diphenyl(2-pyridin-2-ylethyl)phosphane · 2-[2-(DIPHENYLPHOSPHINO)ETHYL]PYRIDINE · 2-[2-(diphenylphosphanyl)ethyl]pyridine · Diphenyl(2-(pyridin-2-yl)ethyl)phosphine · Pyridine,2-[2-(diphenylphosphino)ethyl]- · 1-(Diphenylphosphino)-2-(2-pyridyl)ethane · 2-[2-(Diphenylphosphino)ethyl]pyridine,97% · 2-[2-(Diphenylphosphino)ethyl]pyridine,min.97%

https://huagongshe.com/en/chemical/611860

2-(2-(Diphenylphosphino)ethyl)pyridine molecular structure

Identifiers & Physical Properties

CAS No.10150-27-3
Molecular formulaC19H18NP
Average molar mass291.3 g/mol
Monoisotopic mass291.11768621 g/mol
SMILESc1ccc(P(CCc2ccccn2)c2ccccc2)cc1
InChIKeyARSGXAZDYSTSKI-UHFFFAOYSA-N
PubChem CID611860
EC No.634-431-6
DTXSIDDTXSID90346404

Chemical & Physical Properties

XLogP3.6
Topological polar surface area12.9
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds5
Heavy atoms21
Formal charge0
Complexity263
Melting point58-62 °C
Boiling point422.2±28.0 °C(Predicted)
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
pKa (acidity coefficient)5.56±0.12(Predicted)
Physical statePowder
Colorwhite
Sensitivityair sensitive
InChI1S/C19H18NP/c1-3-10-18(11-4-1)21(19-12-5-2-6-13-19)16-14-17-9-7-8-15-20-17/h1-13,15H,14,16H2
InChIKeyARSGXAZDYSTSKI-UHFFFAOYSA-N
SMILESC(Cc1ccccn1)P(c2ccccc2)c3ccccc3
CAS DataBase Reference10150-27-3
UNSPSC Code12352005
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P264-P271-P280-P302+P352-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)26
Water hazard class (WGK)3
Storage class11 - Combustible Solids
Hazard classEye Irrit. 2Skin Irrit. 2STOT SE 3

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 67 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)26
Storage class11 - Combustible Solids
Target organsRespiratory system
GHS hazard statementsH315-H319-H335
Hazard classEye Irrit. 2Skin Irrit. 2STOT SE 3
GHS precautionary statementsP261-P264-P271-P280-P302+P352-P305+P351+P338

Applications & Uses

Uses

2-(2-(Diphenylphosphino)ethyl)pyridine is an important chiral catalyst with excellent catalytic activity. 2-(2-(Diphenylphosphino)ethyl)pyridine is widely used in asymmetric synthesis reactions, especially in the field of compound synthesis. 2-(2-(Diphenylphosphino)ethyl)pyridine can also be used in metal-catalyzed reactions to improve the selectivity and yield of the reaction.