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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 4285986Generated: October 23, 2026

Bis[2-(diphenylphosphino)phenyl] ether

DPEPHOS · BIS(2-DIPHENYLPHOSPHINOPHENYL)ETHER · (Oxybis(2,1-phenylene))bis(diphenylphosphine) · 1-(diphenylphosphino)-2-(2-(diphenylphosphino)phenoxy)benzene · DK994 · Bis(2-diphenyphosphinophenyl)ether · {2-[2-(di · ene)bis(diphenyL

https://huagongshe.com/en/chemical/4285986

Bis[2-(diphenylphosphino)phenyl] ether molecular structure

Identifiers & Physical Properties

CAS No.166330-10-5
Molecular formulaC36H28OP2
Average molar mass538.6 g/mol
Monoisotopic mass538.16153878 g/mol
SMILESc1ccc(P(c2ccccc2)c2ccccc2Oc2ccccc2P(c2ccccc2)c2ccccc2)cc1
InChIKeyRYXZOQOZERSHHQ-UHFFFAOYSA-N
PubChem CID4285986
DTXSIDDTXSID20401575

Chemical & Physical Properties

XLogP8.8
Topological polar surface area9.2
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds8
Heavy atoms39
Formal charge0
Complexity594
Melting point184-187 °C (lit.)
Boiling point608.2±40.0 °C(Predicted)
Storage conditionsKeep in dark place,Sealed in dry,Room Temperature
SolubilityChloroform (Slightly), Methanol (Slightly)
Physical stateCrystalline Powder or Crystals
ColorWhite to off-white
BRN7729718
InChIInChI=1S/C36H28OP2/c1-5-17-29(18-6-1)38(30-19-7-2-8-20-30)35-27-15-13-25-33(35)37-34-26-14-16-28-36(34)39(31-21-9-3-10-22-31)32-23-11-4-12-24-32/h1-28H
InChIKeyRYXZOQOZERSHHQ-UHFFFAOYSA-N
SMILESC1C=CC(OC2C=CC=CC=2P(C2=CC=CC=C2)C2C=CC=CC=2)=C(P(C2C=CC=CC=2)C2=CC=CC=C2)C=1
CAS DataBase Reference166330-10-5(CAS DataBase Reference)
UNSPSC Code12352112
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXn
Risk statements (R)36/37/38-22
Safety statements (S)37/39-26
Water hazard class (WGK)3
TSCA inventory statusNo
Customs code29319090
Storage class11 - Combustible Solids

Safety & Regulations

Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
TSCA inventory statusNo
Customs code29319090
Risk statements (R)36/37/38-22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn
Safety statements (S)37/39-26
Storage class11 - Combustible Solids
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Applications & Uses

Uses

suzuki reaction

Uses

Ligand for ruthenium-catalyzed greener amine synthesis from amines and alcohols by hydrogen-borrowing.Ruthenium-Catalyzed N-Alkylation of Amines and Sulfonamides Using Borrowing Hydrogen Methodology

General Description

This product has been enhanced for catalytic efficiency.