Q898697

C-Stoff (; "substance C") was a reductant used in bipropellant rocket fuels (as a fuel itself) developed by Hellmuth Walter Kommanditgesellschaft in Germany during World War II. It was developed for use with T-Stoff (a high-test peroxide) as an oxidizer, which together with C-Stoff as the fuel, forms a hypergolic mixture.

{| | Methanol | style="margin-left:1em" | CH3OH | style="margin-left:1em" | ~57% by weight |----- | Hydrazine hydrate | style="margin-left:1em" | N2H4 · H2O | style="margin-left:1em" | ~30% by weight |----- | Water | style="margin-left:1em" | H2O | style="margin-left:1em" | ~13% by weight |----- | Catalyst 431 | style="margin-left:1em" | K3[Cu(CN)4] | style="margin-left:1em" | potassium tetracyanocuprate(I) |}