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1、Chemical Name：Iron Oxide Black

2、Molecular Formula: Fe₃O₄

3、Molecular Weight: 231.533

4、CAS:1317-61-9

5、Character: Insoluble in organic solvents such as water, alkali solution and ethyl alcohol, natural iron oxide is insoluble in acid solution. It is easy to oxidize to iron oxide (Fe₂O₃) in the air under wet condition.

6、Usage: Used as pigments and polishes, also used in the manufacture of audio tapes and telecommunications equipment.

7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from water and moisture during transport, unloaded with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.