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HS Code |
389607 |
| Name | (S)-(-)-1,1'-Bi-2-naphthol |
| Synonyms | (S)-BINOL |
| Cas Number | 18531-94-7 |
| Molecular Formula | C20H14O2 |
| Molecular Weight | 286.33 g/mol |
| Appearance | white to off-white crystalline powder |
| Melting Point | 202-204 °C |
| Optical Rotation | [α]D20 = -35° (c=1, ethanol) |
| Solubility | slightly soluble in water, soluble in organic solvents |
| Purity | typically ≥ 98% |
| Boiling Point | 510.5 °C at 760 mmHg |
| Density | 1.3 g/cm³ |
| Smiles | Oc1cccc2ccccc12c3c(O)cccc4ccccc34 |
| Inchi | InChI=1S/C20H14O2/c21-17-11-5-1-7-13(17)15-9-3-4-10-16(15)19-14-8-2-6-12(18(14)19)22/h1-11,21-22H |
| Chirality | S configuration |
As an accredited (S)-(-)-1,1'-Bi-2-naphthol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | (S)-(-)-1,1'-Bi-2-naphthol (5g) from Sigma Aldrich comes in an amber glass bottle, sealed with a screw cap. |
| Shipping | (S)-(-)-1,1'-Bi-2-naphthol is typically shipped in tightly sealed, chemical-resistant containers to prevent moisture and air exposure. Sigma Aldrich, Merck, and TCI supply it as a solid, often with cooling packs as needed. Shipments comply with safety regulations, including labeling and transport documentation for hazardous materials, when applicable. |
| Storage | (S)-(-)-1,1'-Bi-2-naphthol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect from light and moisture. Store at room temperature (15–25°C), following the supplier’s safety recommendations. Handle and store using appropriate personal protective equipment (PPE) to prevent skin and eye contact. |
Competitive (S)-(-)-1,1'-Bi-2-naphthol prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
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