7791-10-8

Usage

Uses

Used in Pyrotechnics:
Strontium chlorate is used as a color-producing agent in pyrotechnics for creating red fire. Its ability to produce a distinct red color makes it a valuable component in various pyrotechnic applications, such as fireworks and flares, where vibrant and visually appealing colors are desired.

Preparation

Strontium chlorate can be produced by the Liebig method which consists of passing chlorine gas through a solid such as Sr(OH)2: 6Sr(OH)2＋ 6Cl2→5SrCl2＋ Sr(CIO3)2＋ H2O. However, separating the two salts remains problematic since both are soluble in water. Strontium chloride solubility is 42.9 g/100 ml of water at 20°C while that of strontium chlorate is 174.9 g/100 ml of water at 20°C.

Air & Water Reactions

Water soluble.

Reactivity Profile

STRONTIUM CHLORATE is a strong oxidizing agent. Forms a flammable mixture with combustible materials (can be ignited by friction). Such mixtures may be explosive Contact with concentrated sulfuric acid can cause fires or explosions. When mixed with ammonium salts, spontaneous decomposition and ignition may result. Liberates explosive chlorine dioxide gas in the presence of strong acid; heating with a dibasic organic acid in the presence of moisture liberates chlorine dioxide and carbon dioxide [Bretherick 1979 p. 100]. Mixtures with ammonium salts, powdered metals, silicon, sulfur, or sulfides are readily ignited and potentially explosive [Bretherick 1979 p. 806].

Hazard

Dangerous explosion risk in contact with organic materials; highly sensitive to shock, heat, and friction; strong oxidizing agent.

Safety Profile

A powerful oxidizer. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORATES.