## Iron oxide (black)

**Formula**
 
$Fe3O4$

**Pyrotechnics use**

Oxidizer (high temperature)

**Synonyms**
 
TBD

**Description**

Black Iron Oxide is a black powder. It is sometimes used in thermite however thermite produced using black iron oxide is less powerful than thermite that uses red iron oxide. It is also a catalyst and can be used in R-Candy. It is magnetic.

**Sources** 


**Hazards**

It is a skin and eye irritant and gloves and eye protection should be warn when handling.