A substance is pyrophoric (from Ancient Greek: πυροφόρος, pyrophoros, 'fire-bearing') if it ignites spontaneously in air at or below 54 °C (129 °F) (for gases) or within 5 minutes after coming …

Aug 1, 2024 · What is Pyrophoric? Pyrophoric is a property of certain materials or thermally unstable compounds that ignite spontaneously when they get in touch with the air. This …

They are liquids and solids that will ignite spontaneously in the presence of oxygen and water. They must have limited to no exposure to the atmosphere. Exposure of these reagents to air …

The meaning of PYROPHORIC is igniting spontaneously.

Sep 24, 2025 · A pyrophoric gas is a chemical substance in gaseous form that ignites spontaneously when exposed to air at temperatures of 130°F (54.4°C) or below, without …

Pyrophoric materials have the potential to spontaneously ignite upon exposure to the oxygen in air, and in many cases are also water reactive. Exposure to air or moisture can cause them to …

Pyrophoric materials are substances that ignite instantly upon exposure to oxygen. They can also be water-reactive, where heat and hydrogen (a flammable gas) are produced.

Mar 17, 2025 · Pyrophoric materials are highly reactive substances that ignite spontaneously on contact with air, usually at temperatures of 54.4 °C (130 °F) or less. This property is due to …

Pyrophoric substances are liquids, solids, or gases that will ignite spontaneously in air at or below 130 0F (54.4 0C). To receive the pyrophoric classification under GHS a chemical must ignite …

Pyrophoric chemicals are highly reactive substances that can ignite spontaneously in air or react violently with water, some can produce flammable hydrogen gas.