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.