Which pictogram would be used for materials that can oxidize?

The pictogram that represents materials capable of oxidizing is the flame over circle pictogram. This symbol is specifically designated for oxidizers, which are substances that can contribute to the combustion of other materials by providing oxygen. Oxidizers can drastically enhance the severity of a fire and pose significant hazards in various environments.

In the context of HazCom, it is essential to identify the correct pictograms as they serve as visual cues for the handling and storage requirements of different materials. The flame over circle is distinct, indicating the need for caution when handling substances that can readily support combustion.

The other pictograms represent different hazards: the flame pictogram indicates flammable materials, the gas cylinder pictogram is used for gases under pressure, and the corrosion pictogram represents corrosive substances that can damage skin or materials. Each pictogram is tailored to indicate specific hazards to ensure proper safety measures are observed while working with various chemicals.