Sodium nitroprusside USP
Appearance:Reddish-brown , practically odorless, crystals or powder
Freely soluble in water, insoluble in alcohol and chloroform.
Water is etween 9.0% to 15.0%
Assasy should be not less than 98.0% of Na2[Fe(CN)5NO] 2H2O
Storage: It should preserve in tight, light-resistance containers. Store at between 15 and 30.