Becomes slippery when wet. Under certain confined conditions, a fine dust of this material in air may cause a dust explosion if ignited. Inhalation, ingestion, open wounds, eyes. Contact with eyes, skin or clothing may cause irritation. Care must be taken to minimize exposure and prevent workplace inhalation of respirable dust.
Respiratory protection is required for exposures above the recommended level of respirable dust.
A similar product, ground very finely, produced an inflammatory tissue response in the lungs in a lifetime exposure inhalation experiment with animals. Flush with large quantity of water, consult physician. Wash with soap and water. Avoid breathing dust. Wear an approved respirator.