| product Name | 
    DL-Cystine | 
   
  
  
    | Synonyms | 
    Cystine DL-form; 3,3'-Dithiobis(2-aminopropanoic acid), dl-; CCRIS 8599; beta,beta'-Dithioalanine, dl-; dl-Cystine; Cystine, DL-; cystine | 
   
  
  
  
    | Molecular Formula | 
    C6H12N2O4S2 | 
   
  
  
  
    | Molecular Weight | 
    240.3005 | 
   
  
  
  
    | InChI | 
    InChI=1/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | 
   
  
  
  
    | CAS Registry Number | 
    923-32-0 | 
   
  
  
  
    | EINECS | 
    213-094-5 | 
   
  
  
  
    | Molecular Structure | 
     
                 | 
   
  
  
  
    | Density | 
    1.571g/cm3 | 
   
  
  
  
    | Melting point | 
    227℃ | 
   
  
  
   
    | Boiling point | 
    468.2°C at 760 mmHg | 
   
  
  
   
    | Refractive index | 
    1.652 | 
   
  
  
  
    | Flash point | 
    237°C | 
   
  
  
  
  
    | Vapour Pressur | 
    4.62E-10mmHg at 25°C | 
   
  
  
  
    | Hazard Symbols | 
    
       
       
       
 | 
   
  
  
  
    | Risk Codes | 
    
       
       
       
 | 
   
  
  
  
    | Safety Description | 
    
              S24/25:; 
       
       
 | 
   
  
  
 
 |