3. Safety measures The MSDS should provide recommendations for safe handling, storage, and disposal of lithopone. This may include guidelines for personal protective equipment, proper ventilation, and spill response procedures.

Mixture of inorganic compounds, widely used as a white pigment powder / From Wiki

CSPI says it might reconsider its rating if specifications for food-grade titanium dioxide in the U.S. are updated to ensure nanoparticles are minimized, and new studies are conducted to assess its capacity to cause cancer or other health problems. 

Production

Store in a cool, ventilated, dry warehouse. Should pay attention to heat and moisture. Store separately from acid products. Lightly load and unload during handling to prevent damage to the packaging. Packed in woven bags lined with polyethylene plastic bags, each bag has a net weight of 25kg. In case of fire, use water and various fire extinguishers to save.

Above 20%, it is recommended to replace 1 kg TiO2 with 1.3 kg of Lithopone 30%.