Zircon (All Grades) HCS OSHA-GHS Safety Data Sheet
Zircon sand will disassociate to Zirconium Dioxide (ZrO2) and Silicon Dioxide (SiO2) when heated above 1540 degrees Celsius. 11. TOXICOLOGICAL INFORMATION Data on this material and/or its components are summarized below. Zirconium Silicate Following single or repeated intraperitoneal doses, this material was considered to be physiologically inert.