whats inside

[thegreatcheese]

Anyone know exactly whats inside of signal flares I found a broken one and it a yellow powder, its a very slow burning powder. I think the brand name was "Orion"

[Cobalt.45]

If it's a red or white, here's what you would have found had you UTFSE:

SECTION III - HAZARDOUS INGREDIENTS BASIC MATERIALS OSHA LD 50LC 50SIGNIFICANT EFFECTS PEL Strontium Nitrate CAS# 10042-76-9 None Est. 2750 mg/kg None Est. Dust can irritate skin, eyes & mucous membranes.(oral/rat)Barium Peroxide CAS# 1304-29-6 Unknown Unknown Unknown Strong oxidizer of organic materials, keep away. Potassium Perchlorate None Est. Unknown Unknown Irritant to skin, eyes & mucous membranes. CAS# 7778-74-7 Moderate oxidizer-keep away from good fuels. Magnesium CAS# 7439-95-4 10 mg/m3 Unknown Unknown Dust can enter skin through scratches and cuts to produce painful lesions. Black Powder Dust and powder can be explosive. Polyvinyl Chloride CAS# 9002-86-2 1 ppm Determined to be carcinogen. Avoid breathing dust.Binder Unknown SECTION IV - FIRE AND EXPLOSION HAZARD DATA Auto Ignition of Contents DOT CLASS U.N. NUMBER FLAMMABLE EXPLOSIVE LOWER UPPER Black Powder- 400oF and above1.4G 0191LIMITSN/A N/A EXTINGUISHING MEDIA Water deluge.

[tmp]

Ah, Yes ! Even common road flares are good sources of OTC chemicals once
they're put through a separation process. A little RP and a lot of strontium
nitrate come to mind ! Bon appetite ! :D