REMARK:
DESCRIPTION:
Nitrofurazone(FDA) is yellow crystal powder,odorless ,bitter taste,it will turn dark
in the light,it can absorb moisture and become nitrofurantoin.
Chemical name:1-(5-nitrofurfurylideneamino)hydantoin
Molecular formula:C8H6N4O5
Molecular weight:238.16
Specification:
A:Accord with China Pharmacopoeia 2005 edition
|
Appearance
|
Yellow crystal powder
|
|
Assay
|
98.0-102.0%
|
|
Loss on drying
|
Not more than 1.0%
|
|
Residue on ignition
|
Not more than 0.1%
|
|
Acidity
|
5.5-7.0
|
B:Accord with British Pharmacopoeia (2005) edition
|
Appearance
|
Bright yellow crystal powder
|
|
Assay
|
98.0-102.0%
|
|
Loss on drying
|
Not more than 1.0%
|
|
Sulphate ash
|
Not more than 0.1%
|
C:Accord with Europe Pharmacopoeia III edition
|
Appearance
|
A yellow crystalline powder of crystals,odourless or almost odourless
Very slightly soluble in water and ethanol(96%);soluble in dimetylformamide.
|
|
Assay
|
98.0-102.0%
|
|
Loss on drying
|
Not more than 1.0%
|
|
Sulphate ash
|
Not more than 0.1%
|
D:Accord with United States Pharmacopoeia 29 edition
|
Appearance
|
A yellow crystalline powder
|
|
Assay
|
98.0-102.0%
|
|
Water
|
Not more than 1.0%
|
|
Limit of Nitrofurfural Diacetate
|
Not more than 0.1%
|
|
Limit of Nitrofurazone(FDA)
|
Not more than 0.01%
|
|
Use
|
It is a antibacterial
|
|
Registered number of approval
|
National drug standard H37022205
|
|
