## Copper chromite

**Formula**
 
$CuCr2O4$

**Synonyms**
 
TBD

**Description**
 
Copper chromite is employed as a catalyst is certain rocket propellants. It is typically added in 1 to 5% quantities to whistle or composite rocket fuels which increases the burn rate. A range of other catalysts exist which can often be substituted for copper chromite. Examples are Iron oxide (red) and Manganese dioxide.

**Sources** 

Copper chromite is very hard to make or obtain other than from dedicated pyro chemicals suppliers.

**Hazards**
 
Copper chromite is poisonous and should be handled wearing a dust mask.
