Photographers' Formulary Ferric Ammonium Sulfate is used for processing a color photographic light-sensitive material.

Other Names: Iron ammonium sulfate; sulfuric acid, ammonium iron (3+) salt (2:1:1), dodecahydrate; ammonium ferric sulfate

• Appearance Pale violet, transparent crystals
• Odorless
• Uses Method for processing a color photographic light-sensitive material
• Chemical Formula FeNH4(SO4)2.12H2O
• Notes May emit toxic fumes of ammonia and sulfur oxide when heated to decomposition

Safety Data Sheet