(R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol

CAS 111795-43-8C20H12Br2O2Chemical Synthesis

(R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol (CAS: 111795-43-8) is a chiral organic compound with the empirical formula C20H12Br2O2 and a molecular weight of 444.12 g/mol. It is a valuable BINOL derivative, frequently employed as a privileged ligand and chiral building block in asymmetric synthesis. Its specific stereochemistry makes it instrumental in developing enantioselective catalytic processes, contributing to the synthesis of complex chiral molecules.

IUPAC: (R)-3,3′-Dibromo-1,1′-bi-2-naphthol,(R)-3,3′-Dibromo-[1,1′-Binaphthalene]-2,2′-diol,(R)-Dibromo-1,1′-Bi-2,2′-naphthol,(R)-Dibromo-1,1′-Binaphthalene-2,2′-diol,(R)-Dibromo-BINOL,(R)-Dibromo-1,1-Binaphthol,(R)-Dibromo-bi-2-naphthol
Synonyms: 111795-43-8C20H12Br2O2(R)-3,3′-Dibromo-1,1′-bi-2-naphthol(R)-3,3′-Dibromo-[1,1′-Binaphthalene]-2,2′-diol(R)-Dibromo-1,1′-Bi-2,2′-naphthol(R)-Dibromo-1,1′-Binaphthalene-2,2′-diol(R)-Dibromo-BINOL(R)-Dibromo-1,1-Binaphthol(R)-Dibromo-bi-2-naphthol

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(R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol (C20H12Br2O2) — chemical structure, CAS 111795-43-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisBINOLsChemical SynthesisChiral CatalystsLigandsand Reagents

01 /Applications

Asymmetric Catalysis

Utilised as a chiral ligand or catalyst in enantioselective reactions, promoting the formation of specific stereoisomers in organic synthesis. It is particularly effective in reactions requiring precise stereochemical control.

Chiral Building Block

Serves as a key chiral intermediate for the construction of more complex chiral molecules and advanced materials. Its rigid biaryl structure provides a well-defined stereochemical environment.

Ligand Development

Incorporated into the design of novel metal complexes for catalytic applications, leveraging its C2 symmetry and steric properties to influence reaction outcomes.

02 /Properties

Molecular weight	444.12
Empirical formula	C20H12Br2O2
Assay	97%
Melting point	256-260 °C

03 /Safety & handling

GHS hazard pictogram: Environmental hazard (GHS09) — Environmental hazard

Warning

Hazard statements

H410Very toxic to aquatic life with long-lasting effects

Precautionary statements

P273Avoid release to the environment
P501Dispose of contents and container per local regulations

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Transport (UN / ADR)	UN 3077 9 / PGIII
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

111795-43-8

MDL number

MFCD03093629

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is (R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol used for?

This compound is primarily used as a chiral ligand and building block in asymmetric synthesis and catalysis. It plays a crucial role in developing enantioselective processes for creating specific stereoisomers of complex molecules.

What is the CAS number and formula for (R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol?

The CAS number is 111795-43-8, and the empirical formula is C20H12Br2O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should (R)-(+)-3,3′-Dibromo-1,1′-bi-2-naphthol be handled and stored?

This compound is classified as H410 (Very toxic to aquatic life with long lasting effects) and requires careful handling. Wear appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or P1 (EN143) respirator filter. Prevent its release into the environment. Store in a well-ventilated place and keep cool.

How is this chemical packed and shipped?

Products are packed according to industry best practices and relevant shipping regulations. For export, this chemical is shipped under UN 3077, Class 9, Packing Group III.