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|
HS Code |
727782 |
| Name | (S)-(-)-2,2'-Bis(Diphenylphosphino)-1,1'-Binaphthyl |
| Synonyms | (S)-BINAP |
| Cas Number | 76189-55-4 |
| Molecular Formula | C44H32P2 |
| Molecular Weight | 622.68 |
| Appearance | white to off-white crystalline powder |
| Optical Rotation | [α]D20 = -246° (c=1, CHCl3) |
| Melting Point | 282-284 °C |
| Solubility | soluble in common organic solvents (e.g., dichloromethane, toluene) |
| Purity | ≥98% |
| Storage Temperature | 2-8°C, protect from air and moisture |
| Smiles | C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=C4C=CC=CC4=C(C5=CC=CC=C5P(C6=CC=CC=C6))C7=CC=CC=C73 |
As an accredited (S)-(-)-2,2'-Bis(Diphenylphosphino)-1,1'-Binaphthyl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in a 1-gram amber glass bottle with a screw cap, labeled: (S)-(-)-2,2'-Bis(Diphenylphosphino)-1,1'-Binaphthyl, purity, CAS number. |
| Shipping | **Shipping Description:** (S)-(-)-2,2'-Bis(Diphenylphosphino)-1,1'-Binaphthyl is securely packaged in airtight, light-resistant containers under inert gas to prevent oxidation. It is shipped at ambient temperature unless otherwise specified, following regulations for transport of chemicals. Appropriate documentation and labeling ensure safe and compliant handling during transit. |
| Storage | (S)-(-)-2,2'-Bis(Diphenylphosphino)-1,1'-Binaphthyl (BINAP) should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent oxidation. Keep it in a cool, dry place, protected from light and moisture. Store away from oxidizing agents, acids, and other incompatible substances. Refrigeration (2–8 °C) is often recommended for long-term stability. |
Competitive (S)-(-)-2,2'-Bis(Diphenylphosphino)-1,1'-Binaphthyl prices that fit your budget—flexible terms and customized quotes for every order.
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