A1242012
                    (R)-(+)-1,1′-Bi(2-naphthol) , 99% , 18531-94-7
                            Synonym(s):
(+)-2,2′-Dihydroxy-1,1′-dinaphthyl;(R)-(+)-1,1′-Binaphthalene-2,2′-diol;(R)-BINOL
                            
                        
                CAS NO.:18531-94-7
Empirical Formula: C20H14O2
Molecular Weight: 286.32
MDL number: MFCD00004068
EINECS: 606-048-4
| Pack Size | Price | Stock | Quantity | 
| 1G | RMB23.20 | In Stock | 
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| 5G | RMB24.00 | In Stock | 
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| 25G | RMB74.40 | In Stock | 
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| 100G | RMB268.00 | In Stock | 
                                                 | 
                                        
| 500G | RMB1279.20 | In Stock | 
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| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 215-218 °C | 
                                    
| alpha | 35.5 º (c=1, THF) | 
                                    
| Boiling point: | 388.69°C (rough estimate) | 
                                    
| Density | 1.301 | 
                                    
| refractive index | 36.0 ° (C=1, THF) | 
                                    
| storage temp. | Store below +30°C. | 
                                    
| solubility | dioxane: 50 mg/mL, clear | 
                                    
| form | Powder | 
                                    
| pka | 8.29±0.50(Predicted) | 
                                    
| color | white to off-white | 
                                    
| optical activity | [α]21/D +34°, c = 1 in THF | 
                                    
| Water Solubility | Insoluble in water. Solubility in THF within almost transparency). Soluble in dioxane 50 mg/mL. | 
                                    
| Merck | 14,1226 | 
                                    
| BRN | 3616837 | 
                                    
| CAS DataBase Reference | 18531-94-7(CAS DataBase Reference) | 
                                    
Description and Uses
Chiral binapthol imminium salt precursor. Salts were used for an asymmetric epoxidation of olefins.
Safety
| Symbol(GHS) | ![]() GHS06  | 
                                    
| Signal word | Danger | 
| Hazard statements | H301-H315-H319 | 
| Precautionary statements | P301+P310+P330-P302+P352-P305+P351+P338 | 
| Hazard Codes | T,Xi | 
| Risk Statements | 25-36-36/37/38 | 
| Safety Statements | 26-45-24/25-36 | 
| RIDADR | UN 2811 6.1/PG 3 | 
| WGK Germany | 3 | 
| RTECS | DU3106100 | 
| F | 10 | 
| TSCA | No | 
| HazardClass | 6.1 | 
| PackingGroup | III | 
| HS Code | 29071590 | 
| Toxicity | LD50 orally in Rabbit: 113 mg/kg | 
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid) | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | 





