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  • Furazolidone

    REMARK:

    DESCRIPTION:
    Furazolidone is Yellow crystalline powder,odorless,first it's tasteless and then lightly
    bitter,it will turn dark in strong light, it will melt and decompose at 255-259℃. It is
    almost insoluble in water and ethanol, slightly soluble in chloroform and soluble in
    dimethyl formamide. Its solubility in water is 60mg/L when pH is 6,the PH of
    saturated water solution is 4.5-7.0, it will be easily decomposed in alkaline. 
    Chemical name: 3-(5-nitrofurfurylideneamino)-2-oxazolidone
    Molecular formula:C8H7N5O3
    Molecular weight: 225.16
     
    SPECIFICATION:
     A:Accord with the drug standard of the Ministry of Health of PRC(1989 edition)      
     Properties
     Specification
     Appearance
     Yellow crystal powder
     Assay
     97.0-103.0%
     Acidity
     5.5-7.0
     Loss on drying
     Not more than 0.5%
     Residue on ignition
     Not more than 0.2%
    B:Accord with British Pharmacopoeia(2001) edition 
     Properties
     Specification
     Appearance
     Yellow crystal powder
     Assay
     97.0-103.0%
     Acidity
     4.5-7.0
     Loss on drying
     Not more than 0.5%
     Residue on ignition
     Not more than 0.1%
     
     C:Accord with the USP 29TH edition 
     Properties
     Specification
     Assay
     97.0-103.0%
     Acidity
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