| product Name | 
    ethyl ethynyl ether | 
   
  
  
    | Synonyms | 
     Ethoxyethyne; 
 | 
   
  
  
  
    | Molecular Formula | 
    C4H6O | 
   
  
  
  
    | Molecular Weight | 
    70.0898 | 
   
  
  
  
    | InChI | 
    InChI=1/C4H6O/c1-3-5-4-2/h1H,4H2,2H3 | 
   
  
  
  
    | CAS Registry Number | 
    927-80-0 | 
   
  
  
  
    | EINECS | 
    213-164-5 | 
   
  
  
  
    | Molecular Structure | 
     
                 | 
   
  
  
  
    | Density | 
    0.827g/cm3 | 
   
  
  
  
   
    | Boiling point | 
    47.4°C at 760 mmHg | 
   
  
  
   
    | Refractive index | 
    1.391 | 
   
  
  
  
    | Flash point | 
    9°C | 
   
  
  
  
  
    | Vapour Pressur | 
    337mmHg at 25°C | 
   
  
  
  
    | Hazard Symbols | 
    
                F:Flammable; 
         Xn:Harmful; 
         N:Dangerous for the environment; 
       
       
 | 
   
  
  
  
    | Risk Codes | 
    
              R11:; 
       R36/37/38:; 
       R48/20:; 
       R51/53:; 
       R62:; 
       R65:; 
       R67:; 
       
       
 | 
   
  
  
  
    | Safety Description | 
    
              S16:; 
       S26:; 
       S36/37/39:; 
       S45:; 
       S61:; 
       S62:; 
       
       
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