Is Calcium carbonate, powder (CAS: 471-34-1) safe?

Calcium carbonate, powder (CAS: 471-34-1) is generally considered safe when used properly. It is non-toxic in small amounts and approved by regulatory bodies like the FDA. However, inhalation or ingestion of large quantities may cause irritation or gastrointestinal issues. Handling precautions include wearing gloves and masks to avoid direct contact. Safety standards ensure its use in food, pharmaceuticals, and industry is controlled, minimizing risks to human health and the environment.