Chemical name:5-Nitro-2-furfurylidene semicarbazone
Structural formula:

Molecular formula:C₆H₆N₄O₄
Molecular weight:198.14
Property:It is yellow crystal powder,odorless ,first it is tasteless and then slightly bitter,it will turn dark in sunlight, it will melt and decompose at 236-240?. It is slightly soluble in ethanol and water,and almost insoluble in aether and chloroform.
Specification:
    A: Accord with the drug standard of the Ministry of Health of RRC (1989 edition)
    Appearance:yello crystal powder
    Assay:97.0~103.0%
    Loss on drying:Not more than 0.5%
    Reidue on ignition:Not more than 0.1%
    Acidity:5.5~7.0
    B:Accord with EP5 edition
    Appearance:yellow crystal powder or Yellow crystalline
    Assay:97.0~103.0%
    Water:Not more than 1.0%
    Reidue on ignition:Not more than 0.1%
    Acidity:5.5~7.0
    Individual unknown impurity : Not more than 0.5%
    Total impurities: Not more than1.0%
    C:Accord with USP29 edition
    Appearance:yellow crystal powder or Yellow crystalline
    Assay:98.0~102.0%
    Water:Not more than 1.0%
    Reidue on ignition:Not more than 0.1%
    Acidity:5.5~7.5
    Individual unknown impurity : Not more than 0.5%
    Total impurities: Not more than2.0%

Use:disinfectant and antiseptic used for local or surface sterilization.
Registered number of approval:National drug standard H37022206