Hazard Statements

Precautionary Statements

- May cause irritation or conjunctivitis by dissolving to form germanic acid, a weak acid. - May cause contact dermatitis. - Inhalation of particulates of will irritate the respiratory tract. Overexposure may produce coughing, headache and nausea. - Animal studies of germanium compounds indicate morphological changes of the respiratory tract such as thickening of the alveolar partitions and hyperplasia of the lymphatic vessels around the bronchi and blood vessels. - Rats fed 100ppm for 14 weeks showed stimulated growth. Those fed 1000ppm showed depressed growth and suffered 50% mortality. Kidney damage has been reported in humans and animals. For selenium compounds, pallor, nervousness, depression and death have been reported for chronic exposure.