Detailed Product Description

(NH₄)₂Fe(SO₄)₂·6H₂O      

M.W.: 392.14                           500g

Characteristic:  Light green crystals. Slowly oxidizes in moist air.

Specification:

Assay [(NH₄)₂Fe(SO₄)₂·6H₂O]................≥99.5%

pH(50g/l solution,25).......................................3~5

Insoluble matter in water.........................≤0.005%

Chloride (Cl) ..........................................≤0.001%

Phosphate (PO₄)...................................≤0.0005%

Manganese (Mn)........................................≤0.05%

Iron (Fe,)...................................................≤0.01%

Copper (Cu).............................................≤0.002%

Zinc (Zn)..................................................≤0.005%

Lead (Pb)..................................................≤0.002%

Substances not precipitated by

ammonium hydroxide (as sulfate)...................≤0.1%

Analytical reagent

Causes respiratory tract irritation. Irritant. Causes eye and skin irritation. May cause digestive tract irritation. Light sensitive. Air sensitive. May cause liver damage. May cause cardiac disturbances.

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not expose to air. Store protected from light. Store under an inert atmosphere.

UN    CAS-No. 7783-85-9