Molekula
(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl is a chiral ligand used in asymmetric catalysis, particularly in palladium- and nickel-catalyzed cross-coupling reactions. It is available with a molecular weight of 622.67 g/mol, CAS number 76189-56-5, and molecular formula [(C6H5)2PC10H6]2. Stored at ambient temperature, it carries a warning signal word. Molekula supplies (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 28868113 |
| CAS Number | 76189-56-5 |
| IUPAC Name | [1-(2-diphenylphosphanylnaphthalen-1-yl)naphthalen-2-yl]-diphenylphosphane |
| Molecular Formula | [(C6H5)2PC10H6-]2 |
| Molecular Weight | 622.67 |
| Exact Mass | 622.1979 |
| 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 |
| InChIKey | MUALRAIOVNYAIW-UHFFFAOYSA-N |
| InChI | InChI=1S/C44H32P2/c1-5-19-35(20-6-1)45(36-21-7-2-8-22-36)41-31-29-33-17-13-15-27-39(33)43(41)44-40-28-16-14-18-34(40)30-32-42(44)46(37-23-9-3-10-24-37)38-25-11-4-12-26-38/h1-32H |
| PubChem CID | 634876 |
| REACH Code | Y113 |
| HTS Code | 29314900 |
| Tariff Code | 2931498090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (1,1'-Binaphthalene)-2,2'-diylbis(diphenylphosphine)
- (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl
- (R)-BINAP
- (S)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene
- (S)-BINAP
- 2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene
- BINAP
- Binap, (A+-)-
- Phosphine, 1,1'-(1,1'-binaphthalene)-2,2'-diylbis(1,1-diphenyl-
- rac-BINAP
Frequently asked questions
What is (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl used for?
It is primarily used as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions such as hydrogenation and coupling processes.
What is the chemical formula and molecular weight?
The formula is [(C6H5)2PC10H6]2 and the molecular weight is 622.67 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, protected from moisture and air.
What grade is available?
Available in high purity grade suitable for research and catalytic applications.
Can Molekula supply this in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact sales for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.