Water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Excessive dust are potentially explosive.
Symptoms may include coughing, shortness of breath, sore throat and runny nose. If sufficient amounts are inhaled and absorbed, symptoms may resemble those in acute ingestion. Systemic effects may follow and may include ringing of the ears, dizziness, elevated blood pressure, blurred vision and tremors. Persons with preexisting eye or skin conditions or impaired pulmonary function may be more susceptible to the effects of this product. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes.