## Sodium Perchlorate **Formula** $NaClO4$ **Pyrotechnics use** **Synonyms** **Description** Sodium perchlorate is hardly ever used in pyrotechnics, since it is very hygroscopic. It finds occasional use in composite rocket propellants. It is however very usefull as a starting point in the preparation of several other (less hygroscopic) perchlorates for which reason it is included here. **Sources** Sodium perchlorate can be prepared at home. It involves electrolysing a sodium chloride solution under certain circumstances. **Hazards** Sodium perchlorate is toxic, and breathing protection should be worn when handling fine powder.