BD1968548
                    ((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)dimethanol , 98% , 73346-74-4
CAS NO.:73346-74-4
Empirical Formula: C7H14O4
Molecular Weight: 162.18
MDL number: MFCD00009761
EINECS: 277-391-1
| Pack Size | Price | Stock | Quantity | 
| 25g | RMB2204.00 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 48-51 °C(lit.) | 
                                    
| Boiling point: | 91-93 °C0.01 mm Hg(lit.) | 
                                    
| alpha | -3.1 º (c=5, CHCl3 26 ºC) | 
                                    
| Density | 1.0585 (rough estimate) | 
                                    
| refractive index | -4 ° (C=5, Acetone) | 
                                    
| Flash point: | >230 °F | 
                                    
| storage temp. | Inert atmosphere,Store in freezer, under -20°C | 
                                    
| solubility | Chloroform, Dichloromethane, Ethyl Acetate, THF | 
                                    
| form | Oil | 
                                    
| pka | 13.90±0.10(Predicted) | 
                                    
| color | Yellow | 
                                    
| Water Solubility | Soluble in water. | 
                                    
| Sensitive | Hygroscopic | 
                                    
| BRN | 1798 | 
                                    
| CAS DataBase Reference | 73346-74-4(CAS DataBase Reference) | 
                                    
Description and Uses
(-)-2,3-O-Isopropylidene-D-threitol is used in the synthesis of the optically active enantiomorphic 2,3-butanediols. It react with toluene-4-sulfonyl chloride to get O2,O3-isopropylidene-O1,O4-bis-(toluene-4-sulfonyl)-D-threitol.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H302-H315-H319-H335 | 
| Precautionary statements | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | 
| Hazard Codes | Xn | 
| Risk Statements | 20/21/22-36/37/38 | 
| Safety Statements | 22-24/25-36-26 | 
| WGK Germany | 3 | 
| F | 3-10 | 
| HS Code | 29329970 | 




