| (S)-(-)-1,1'-BI-2-NAPHTHOL | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 18531-94-7 |
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| EINECS NO. |
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| FORMULA | C20H14O2 | |
| MOL WT. | 286.33 | |
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H.S. CODE |
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| TOXICITY |
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| SYNONYMS | S-(-)-2,2'-Dihydroxy-1,1'-dinaphthyl; | |
| (S)-(-)-1,1'-Binaphthalene-2,2'-diol; (S)-Binol; (-)-2,2'-Dihydroxy-1,1'-dinaphthyl; | ||
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DERIVATION |
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE |
off-white crystals |
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| MELTING POINT | 205 - 211 C | |
| BOILING POINT | ||
| SPECIFIC GRAVITY | ||
| SOLUBILITY IN WATER | ||
| pH | ||
| VAPOR DENSITY |
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AUTOIGNITION |
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NFPA RATINGS |
Health: 2 Flammability: 0 Reactivity: 0 | |
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REFRACTIVE INDEX |
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| FLASH POINT |
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| STABILITY |
Stable under ordinary conditions. Hygroscopic. |
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GENERAL DESCRIPTION |
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An effective chiral auxiliary used in the catalytic asymmetric oxidation of sulfides to sulfoxides. Derivatives of binaphthol are used in asymmetric rearrangements, epoxidations.reductions. |
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| SALES SPECIFICATION | ||
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APPEARANCE |
off-white crystals |
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CHEMICAL PURITY |
99.5% min | |
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OPTICAL PUIRTY |
99.5% min e.e. | |
| TRANSPORTATION | ||
| PACKING |
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| HAZARD CLASS | ||
| UN NO. | ||
| OTHER INFORMATION | ||
| Hazard Symbols: XI, Risk Phrases: 36/37/38,
Safety Phrases: 22-24/25 Optical Rotation: -35° ~ -36° (C=1, THF) |
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