Flame retardants like ones used in wildfires are also used in cladding and electrical appliances. Some are toxic for humans and the environment.

Air tankers are dropping thousands of gallons of red flame ... That's ammonium nitrate. Phos-Chek commonly contains two types of salt: diammonium phosphate ([NH4]2HPO4) and ammonium polyphosphate ...

Fire retardants add to those health and environmental ... And the retardant, typically made of salts like ammonium polyphosphate, “lasts longer. It doesn’t evaporate, like dropping water ...

The fire retardants are mostly ammonium phosphate fertilizer and a few other ingredients mixed with water. Perimeter Solutions doesn't publicly list all of the ingredients of MVP-Fx powder ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry ...

including ammonium polyphosphate - which does not evaporate easily and stays set on materials for longer than water. The retardant is usually sprayed ahead of the fire in a bid to coat vegetation ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry, a civil and ...

As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

Common fire retardants, such PHOS-CHEK, which is used in Los Angeles, include fertilizers, such as ammonium polyphosphate, diammonium phosphate and diammonium sulfate, as well as monoammonium ...