Appearance: brown yellow macrocrystalline Powder
Loss on drying: Not more than 1.0%
Reidue on ignition: Not more than 0.1%
Speccific surface area:Between 0.045m2/g and 0.2m2/g
Related Substances:
Nitrofurfural Diacetate:Not More Than 1.0%
Nitrofurazone(FDA):Not More Than 0.01%
Any other Related compounds:Not More Than 0.1%
Total Related Compounds:Not More Than 0.5%
Assay:98.0% to 102.0% calculated on the anhydrous basis
Residual Solvents:
Acetic acid:Not More Than 0.1%