Date of Creation: 2025-09-19

ATO (Antimony Tin Oxide) is an existing chemical substance that is not an acutely harmful substance to the human body.
If you search for CAS No. 68187-54-2 in the Chemical Information Processing System,
The substance is searched as an inorganic antimony compound (KE-07830) and is an acutely hazardous substance to the human body.
However, the antimony used in ATO is classified as antimony pentoxide (Sb2O5), which is excluded from harmful substances to the human body. (Source: Ministry of Environment)
