4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-  cas no:90-19-7
         
           
           Synonyms:  Flavone,3,3',4',5-tetrahydroxy-7-methoxy- (7CI,8CI); Rhamnetin (6CI);3,3',4',5-Tetrahydroxy-7-methoxyflavone;3,5,3',4'-Tetrahydroxy-7-methoxyflavone; 7-Methoxyquercetin; 7-Methylquercetin;7-O-Methylquercetin; C.I. 75690; LY 805921; NSC 19802; Quercetin 7-methylether; b-Rhamnocitrin
           
           
           
            
      
         
          
          Name4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy- 
            CAS90-19-7 
            SynonymsFlavone,3,3',4',5-tetrahydroxy-7-methoxy- (7CI,8CI); Rhamnetin (6CI);3,3',4',5-Tetrahydroxy-7-methoxyflavone;3,5,3',4'-Tetrahydroxy-7-methoxyflavone; 7-Methoxyquercetin; 7-Methylquercetin;7-O-Methylquercetin; C.I. 75690; LY 805921; NSC 19802; Quercetin 7-methylether; b-Rhamnocitrin
            EINECS(EC#)201-974-1 
            Molecular FormulaC16H12 O7
            
            Molecular Weight316.26 
            
            
         
          
            
            
            
            refractive index1.74 
            storage temp2-8°C 
            
            
            
            
          
          
          
            Hazard Xi: Irritant; 
              Risk R36/37/38
              Safety 
    
        
    
    
        
Safety Information of Rhamnetin (90-19-7):
        Hazard Codes: Xi 
        Xi: Irritant .gif)
        Risk Statements: 36/37/38 
        36/37/38: Irritating to eyes, respiratory system and skin  
        Safety Statements: 26-36/37 
        26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice  
        36/37: Wear suitable protective clothing and gloves  
        WGK Germany: 3
        RTECS: LK8748000
        F: 3-10 
        F3: Hygroscopic.
        F10: Keep under argon