Fine Alumimum powder and potassium chlorate or perchlorate
Here are some ingredients in fireworks... Charcoal, gun powder (black powder) ( for explosion), alumunuim powder ( for flash), potassium nitrate (saltpeter) (for smoke).
Flash powder was invented by a man named Joshua Lionel Cowen. He registered for a patent in 1899 for the flash powder to be used in photography.
Wikipedia has extensive information on the origins of gunpowder / flash powder you should be able to find a wealth of information there.
Early flash powder was made of thermite. And yes, it was extremley messy and if the pan holding the flash powder wasn't held carefully could easily cover everything
It is not evident exactly what ingredients are in RIN washing powder. The ingredients are similar to ingredients in other laundry detergents. It is made by Unilever.
No flash powder is stronger and also more unsafe! I suggest reading up on the matter if you would like to know more.
Flash powder.
The ingredients should be listed on the box or bottle.
Black powder explodes. Flash powder burns extremely fast (that's why it "flashes") and can be dangerous if you don't handle it right.
Here are the ingredients for double-acting baking powder -- if yours has these ingredients, then it's double-acting. (My can of Kroger baking powder is.) Double Acting Baking Powder Ingredients: Corn Starch Bicarbonate of Soda Sodium Aluminum Sulfate Acid Phosphate of Calcium
wash it of with water and soap
The contents of a cows udder.