Synonyms: Potassium mono-chloride, chloride of potassium
Description: Potassium chloride is not directly used in pyrotechnics, but can be used to make other pyrotechnic chemicals such as Potassium perchlorate and Potassium chlorate . It is used to turn NaClO4 into KClO4 and NaCl (see Preparing perchlorates ). it is also used to increase smoke density in very small amounts; mainly to potassium chlorate based smoke compositions.
Sources: Potassium chloride is sometimes used as a water softener salt, instead of NaCl (check the label). It can be bought at hardware stores and grocery stores.
Hazards: KCl is not particularly toxic or dangerous.