| product Name | 
    3-hydroxynaphthalene-2,7-disulphonic acid | 
   
  
  
    | Synonyms | 
     2-Naphthol-3,6-Disulfonic Acid; 3-hydroxynaphthalene-2,7-disulfonic acid | 
   
  
  
  
    | Molecular Formula | 
    C10H8O7S2 | 
   
  
  
  
    | Molecular Weight | 
    304.2963 | 
   
  
  
  
    | InChI | 
    InChI=1/C10H8O7S2/c11-9-4-6-1-2-8(18(12,13)14)3-7(6)5-10(9)19(15,16)17/h1-5,11H,(H,12,13,14)(H,15,16,17) | 
   
  
  
  
    | CAS Registry Number | 
    148-75-4 | 
   
  
  
  
    | EINECS | 
    205-724-2 | 
   
  
  
  
    | Molecular Structure | 
     
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    | Density | 
    1.816g/cm3 | 
   
  
  
  
  
   
    | Refractive index | 
    1.725 | 
   
  
  
  
  
  
  
    | Hazard Symbols | 
    
       
       
       
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    | Risk Codes | 
    
       
       
       
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    | Safety Description | 
    
       
       
       
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