C44H32P2
622.7 g/mol
Research ReagentWarning
2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BINAPHTHYL
CAS98327-87-8
Category
Research Reagent
Compound Class
Aromatic
Primary Use
Research Compound
BINAP (2,2'-bis(diphenylphosphino)-1,1'-binaphthyl) is an organophosphorus compound and a chiral diphosphine ligand widely used in asymmetric synthesis. It consists of a pair of 2-diphenylphosphinonaphthyl groups linked at the 1 and 1' positions.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Dichloro[(S)-(-)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]ruthenium (II)
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pharmaceutical intermediate
StrongSame Parent
Chloro[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl](p-cymene)ruthenium(II) chloride
CAS145926-28-9
research compound
StrongSame Parent
CIS-((S)-BINAP)NI(O-TOLYL)CL
CAS1594113-05-9
research compound
StrongSame Parent
Dichloro[(R)-(+)-2,2'-bis(diphenylphosphino)1,1'-binaphthyl][(1S,2S)-(-)-1,2-diphenylethylenediamine]ruthenium(II)
CAS212210-87-2
research compound
StrongStructure SimilarSimilarity 1.00
[Rh COD (R)-Binap]BF4
CAS208118-82-5
research compound
StrongStructure SimilarSimilarity 1.00
[Rh COD (R)-Binap]BF4
CAS439801-50-0
research compound
SimilarStructure SimilarSimilarity 0.73
Chloro[(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl](p-cymene)ruthenium(II) chloride
CAS228120-95-4
research compound
ApplicationSame Use
(R,R)-1,2-Bis[(2-methylphenyl)-(phenyl)phosphino]ethane
CAS81157-90-6
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for 2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BINAPHTHYL (CAS 98327-87-8) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
[1-(2-diphenylphosphanylnaphthalen-1-yl)naphthalen-2-yl]-diphenylphosphane
InChIKey
MUALRAIOVNYAIW-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=C(C4=CC=CC=C4C=C3)C5=C(C=CC6=CC=CC=C65)P(C7=CC=CC=C7)C8=CC=CC=C8
Synonyms (38)
- BINAP
- (R)-BINAP
- (S)-BINAP
- Binap (R)-(+)-form
- Binap (S)-(-)-form
- Binap, (A+-)-
- Brexpiprazole Impurity 33
- rac-BINAP
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