Chemical name: 5-Nitro-2-furfurylidene semicarbazone
CAS: 59-87-0
Structural formula:

Molecular formula: C₆H₆N₄O₄
Molecular weight: 198.14
Authentication code: Guo Yao Zhun Zi H37022206
Specification:
A: Accord with the drug standard of the Ministry of Health of RRC (1989 edition)
Appearance: Light yellow crystal powder
Assay: 97.0~103.0%
Melting point: 236-240^οC
Acidity: 5.5~7.0
Loss on drying: Not more than 0.5%
Residue on ignition: Not more than 0.1%
Sulfate: Not More Than 0.04%
Chloride: Not More Than 0.014%
B: Accord with EP7 edition
Appearance: yellow or brownish yellow crystalline powder
Assay: 97.0~103.0%
Loss on drying: Not more than 0.5%
Residue on ignition: Not more than 0.1%
Acidity: 5.5~7.0
Nitrofurfural Diacetate: Not more than 0.5%
5-nitro-2-furfuraldazine: Not more than 0.5%
C: Accord with USP35 edition
Appearance: yellow or brownish yellow crystalline powder
Loss on drying: Not more than 0.5%
Residue on ignition: Not more than 0.1%
Acidity: 5.5~7.0
Assay: 98.0~102.0%
5-nitro-2-furfuraldazine: Not more than 0.5%
Related substance: Not more than2.0%
Acetic acid: Not more than 1000ppm
Use: disinfectant and antiseptic used for local or surface sterilization.