4,9-dihydroxyfuro[3,2-g]chromen-7-one
Names
[ CAS No. ]:
14348-23-3
        
[ Name ]:
 4,9-dihydroxyfuro[3,2-g]chromen-7-one
        
[Synonym ]:
                
                4,9-dihydroxy-furo[3,2-g]chromen-7-one
                
                
            
                
                Psoralen,5,8-dihydroxy
                
                
            
                
                7H-Furo(3,2-g)(1)benzopyran-7-one,4,9-dihydroxy
                
                
            
                
                4,9-Dihydroxy-furo[3,2-g]chromen-7-on
                
                
            
                
                4,9-dihydroxypsoralen
                
                
            
                
                7-Oxo-4,9-dihydroxy-7H-<3,2-g><1>benzopyran
                
                
            
                
                5,8-dihydroxypsoralen
                
                
            
                
                5-hydroxyxanthotoxol
                
                
                
                
    
Chemical & Physical Properties
[ Density]:
1.667g/cm3
            
[ Boiling Point ]:
344.4ºC at 760 mmHg
            
[ Molecular Formula ]:
C11H6O5
            
[ Molecular Weight ]:
218.16200
            
[ Flash Point ]:
162.1ºC
            
[ Exact Mass ]:
218.02200
            
[ PSA ]:
83.81000
            
[ LogP ]:
1.95040
            
[ Vapour Pressure ]:
3.31E-05mmHg at 25°C
            
[ Index of Refraction ]:
1.756
            
Safety Information
[ HS Code ]:
 2932999099
            
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932999099
[ Summary ]: 
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%