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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 634876Generated: October 23, 2026

Binap, (A+-)-

RAC-BINAP · (R)-BINAP · (R)-(+)-BINAP · (+)-BINAP · RAC-2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BINAPHTHYL · RACEMIC-2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BINAPHTHYL · (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene · (+/-)-BINAP

https://huagongshe.com/en/chemical/634876

Binap, (A+-)- molecular structure

Identifiers & Physical Properties

CAS No.76189-55-4
Molecular formulaC44H32P2
Average molar mass622.7 g/mol
Monoisotopic mass622.19792428 g/mol
SMILESc1ccc(P(c2ccccc2)c2ccc3ccccc3c2-c2c(P(c3ccccc3)c3ccccc3)ccc3ccccc23)cc1
InChIKeyMUALRAIOVNYAIW-UHFFFAOYSA-N
PubChem CID634876
ChEMBLCHEMBL1275990
EC No.616-304-7
DTXSIDDTXSID40913327

Chemical & Physical Properties

XLogP11.4
Topological polar surface area0
Hydrogen bond donors0
Hydrogen bond acceptors0
Rotatable bonds7
Heavy atoms46
Formal charge0
Complexity797
Melting point283-286 °C(lit.)
alpha240 º (c=0.3, toluene)
Boiling point724.3±55.0 °C(Predicted)
Refractive index235 ° (C=0.3, Toluene)
Storage conditionsInert atmosphere,Room Temperature
SolubilityBenzene (Slightly), Chloroform (Slightly)insoluble
Physical statePowder
ColorWhite to cream-white
optical activity[α]20/D +222°, c = 0.5% in benzene
SensitivityAir Sensitive
Merck14,1223
BRN4914063
InChIKeyMUALRAIOVNYAIW-UHFFFAOYSA-N
SMILESP(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC2=CC=CC=C2C=1C1C2=CC=CC=C2C=CC=1P(C1C=CC=CC=1)C1C=CC=CC=1
CAS DataBase Reference76189-55-4(CAS DataBase Reference)
FDA UNII4F1X2F8NA3
UNSPSC Code12352005
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXi,Xn
Risk statements (R)36/37/38-20/21/22
Safety statements (S)22-24/25-37/39-26-36
Water hazard class (WGK)3
F8-10-23
TSCA inventory statusNo
Customs code29319090
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH315 (96%): 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 25 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.This chemical does not meet GHS hazard criteria for 11.1% (1 of 9) of reports.
Hazard Classes and CategoriesSkin Irrit. 2 (77.8%)Skin Irrit. 2 (96%)
F8-10-23
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
TSCA inventory statusNo
Customs code29319090
Risk statements (R)36/37/38-20/21/22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi,Xn
Safety statements (S)22-24/25-37/39-26-36
Storage class11 - Combustible Solids
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a

Applications & Uses

Uses

(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl is a useful ligand for transition metal catalyzed asymmetric reactions, including hydrogenation and disilylation. (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl and its rhodium and ruthenium derivatives are highly selective homogeneous catalysts used for the reduction of aryl ketones, β-keto esters, and α-amino ketones. They have also been used for asymmetric hydrogenation and hydroformylation of olefins, asymmetric Heck reactions, and asymmetric isomerizations of allyls.Complex with Ag(I) used to catalyze an asymmetric aldol reaction between alkenyl trichloroacetates and aldehydes. Also used with Ag(I) to catalyze an enantioselective hetero-Diels-Alder reaction of azo compounds.

Uses

Chiral ligand for metal mediated asymmetric catalysis.

General Description

(R)-(+)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthalene is an axially dissymmetric bis(triaryl)phosphine ligand for asymmetric reactions.