The DOT classification for Spontaneously Combustible material is Division 4.2
Division 4.2 is spontaneously combustible material.
DOT Hazard Class 4 is for flammable solids such as magnesium metal.
4.1 - Flammable solid 4.2 - Spontaneously combustible material 4.3 - Hazardous when wet material
Hazard Class 4 (flammable solids) consists of:Division 4.1 - flammable solidsDivision 4.2 - spontaneously combustible materialDivision 4.3 - dangerous when wet material
Class 4: Flammable Solids, Spontaneously Combustible Materials, and Water-Reactive Substances
Class 4 Division 2, more often called Division 4.2, is for spontaneously combustible materials
Class 4 Division 2, more often called Division 4.2, is for spontaneously combustible materials
Phosphorus is classified as a DOT Hazard Class 4.2, which designates it as a flammable solid. Specifically, it is categorized as a spontaneous combustible material, meaning it can ignite spontaneously in air under certain conditions. Proper precautions and safe handling are essential when transporting or storing phosphorus due to its reactive nature.
Division 4.2 is spontaneously combustible material.
Class 1
Poisonous gas is Division 2.3 in the DOT hazardous materials classification system.
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