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When heated, irritant formaldehyde gas evolved from solution. The main products of decomposition are carbon monoxide and hydrogen. Metals such as platinum, copper, chromia, and alumina also catalyze the formation of methanol, methylformate, formic acid, carbon dioxide, and methane.
Subsequent exposure may cause severeallergic reactions of the skin, eyes and respiratorytract. Ingestion of formaldehyde can be fatal, andlong-term exposure to low levels in the air or onthe skin can cause asthma-like respiratory prob-lems and skin irritation such as dermatitis anditching.ubsequent exposure may cause severeallergic reactions of the skin, eyes and respiratorytract. Ingestion of formaldehyde can be fatal, andlong-term exposure to low levels in the air or onthe skin can cause asthma-like respiratory prob-lems and skin irritation such as dermatitis anditching.