Information
                    
                    Specification category:
                  
                    
                        
                            
                                
                                     | Product No. |  Product name |  specifications | 
                                
                                         | 
1.17115.016 |  2-Butyne-1,4-diol |  AR500g | 
  | 
1.17115.026 |  2-Butyne-1,4-diol |  CP500g | 
                              
                            
                        
                     
                    
                    Characteristic:
                    Appearance and properties:colorless to slightly yellow flaky crystal with alcohol flavor, easy deliquescence.
Melting point(℃):57.5
Boiling point(℃):194(13.33kPa)
Concentration:content≥97%
Saturated vapor pressure:13,33(194℃)
Solubility:soluble in water,methanol,ethanol,insoluble in ether,benzene,chloroform.
                    
Technical  indicators:
                 
                    
                        
                            
                                
                                     | Item |  AR CP | 
                                
                                         |  
Assay |  ≥98.0% |  ≥97.0% | 
  |  
Solidification point,℃ |  55~58 |  55~58 | 
  |  
Residue on ignition(as SO4) |  ≤0.05% |  ≤0.05% | 
  | 
 | 
                              
                            
                        
                     
                    
                    Hazard characteristics:
                    IATA-DGR UN 2716 1,4-BUTYNEDIOL,6.1,Ⅲ