Search result for: OXIDANTS

Perchloric acid, potassium perchlorate and potassium chlorate can explode when mixed with virtually any organic material. These compounds, and any other chlorates or perchlorates, should never be used or stored in a school.

Nitric acid forms explosive mixtures with many organic compounds. Do not mix nitric acid with ethanol. The mixture is unstable and explodes violently; this has caused many injuries. Alcohols of low molecular weight, and a large number of oxygenated compounds such as ketones and aldehydes form similarly explosive mixtures with nitric acid.

Permanganates, nitrates, iodates, periodates and many other oxygen-rich species can form explosive mixtures with combustible materials such as alcohols, aluminium dust, zinc dust and sulfur.

Mixing of oxidants with reductants should be carried out under carefully controlled conditions. Oxidants should be stored separately from reductants. Some oxidants, such as nitrates and peroxides are heat and friction sensitive and should not be heated or ground in a mortar.

Hydrogen peroxide (>30%W/W) causes white blisters on the skin. The blisters are painful and heal slowly. Many oxidants are heavy metal compounds, e.g. lead oxide and potassium dichromate, and in addition to their reactive properties, have the toxic properties of the heavy metals. The precautions appropriate to their toxic hazards should be considered.

ALSO SEE SEPARATE LISTING FOR EACH CHEMICAL.

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