| 
  
    | product Name | N-Ethylmaleimide |  
    | Synonyms | NEM; N-Ethylmaleimide,   (NEM); 1-Ethyl-1H-pyrrole-2,5-dione~NEM; 1-ethyl-1H-pyrrole-2,5-dione |  
    | Molecular Formula | C6H7NO2 |  
    | Molecular Weight | 125.1253 |  
    | InChI | InChI=1/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3 |  
    | CAS Registry Number | 128-53-0 |  
    | EINECS | 204-892-4 |  
    | Molecular Structure |   |  
    | Density | 1.207g/cm3 |  
    | Melting point | 41-45℃ |  
    | Boiling point | 210°C at 760 mmHg |  
    | Refractive index | 1.514 |  
    | Flash point | 73.3°C |  
    | Water solubility | 1 g/L (20℃) |  
    | Vapour Pressur | 0.197mmHg at 25°C |  
    | Hazard Symbols |  T+:Very toxic; 
 |  
    | Risk Codes | R20/21:; R28:;
 R34:;
 R43:;
 
 |  
    | Safety Description | S26:; S28A:;
 S36/37/39:;
 S45:;
 
 |  |