(R)-(+)-6,6′-Dibromo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene
(R)-(+)-6,6′-Dibromo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene, CAS 179866-74-1, has a molecular weight of 532.22. This chiral binaphthol derivative is a valuable building block in asymmetric synthesis, serving as a precursor to ligands and catalysts. Its defined stereochemistry makes it particularly useful in stereoselective transformations and the synthesis of complex chiral molecules. TSS supplies this compound for research and development purposes.
- Synonyms
- (R)-(+)-6,6′-Dibromo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene179866-74-1(CH3OCH2OC10H5Br)2

Chiral Ligand Precursor
Serves as a key intermediate in the synthesis of chiral ligands for asymmetric catalysis. Its binaphthyl backbone provides a rigid chiral scaffold.
Asymmetric Synthesis
Utilised in stereoselective reactions, enabling the controlled formation of chiral centres in organic molecules. Essential for creating enantiomerically enriched products.
Catalyst Development
Acts as a precursor for developing novel chiral catalysts. The methoxymethyl protecting groups can be readily removed to reveal hydroxyl functionalities for further derivatization.
| Molecular weight | 532.22 |
|---|---|
| Linear formula | (CH3OCH2OC10H5Br)2 |
| Assay | 97% |
| Optical activity | [α]20/D +19.5°, c = 1% in chloroform |
| Melting point | 129-133 °C(lit.) |

Hazard statements
- H318Causes serious eye damage
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 41 |
| Safety statements (S) | 25-26-36/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is (R)-(+)-6,6′-Dibromo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and as a precursor for developing chiral ligands and catalysts used in stereoselective transformations.
What is the CAS number and formula for this product?
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The CAS number is 179866-74-1 and the linear formula is (CH3OCH2OC10H5Br)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. It is supplied for research and development purposes and is not represented as USP, EP, or BP grade.
What are the main safety hazards associated with this chemical?
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This compound is classified with GHS05 (Corrosion) symbol and carries the signal word 'Danger'. It has hazard statements H318 (Causes serious eye damage) and H413 (May cause long lasting harmful effects to aquatic life). Appropriate personal protective equipment, including eyeshields and gloves, should be used during handling.
Is this chemical shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (R)-(+)-6,6′-Dibromo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene.
How can I request a sample or quote for this product?
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Please contact our sales team directly through our website or by phone to request a sample or obtain a quotation for (R)-(+)-6,6′-Dibromo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene.
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