What is the chemical formula for a smoke bomb?

Answer 1

There isn't a "chemical formula" because they're not a single compound.

A sparkler is basically finely powdered metal in a hardened paste of something that will burn packed around a thin metal wire.

Answer 2

The recipes for colored smoke bombs require chemicals that may not be readily available unless you have access to a chemistry lab, but it's worth knowing how it's done. Parts or percents are by weight. The ingredients are sifted together and ignited to produce the smoke.

White Smoke Recipe

• Potassium nitrate - 4 parts
• Charcoal - 5 parts
• Sulfur - 10 parts
• Wood dust - 3 parts

Red Smoke Recipe

• Potassium chlorate - 15%
• para-nitroaniline red - 65%
• Lactose - 20%

Green Smoke Recipe

• Synthetic indigo - 26%
• Auramine (yellow) - 15%
• Potassium chlorate - 35%
• Lactose - 26%

Answer 3

Strontium gives a deep red firework colour when it is burned, usually in the strontium carbonate compound.