Chemical Detail

Chemical NameThorium dioxide
Synonym(s)Thoria | Thorium oxide (ThO2) | Thorium(IV) oxide | Thorotrast | Thortrast | Umbrathor
CASRN1314-20-1
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeIndividually listed chemical
Effective Date1987-01-01
Chemical QualifierNo
MetalYes
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo
Structural image
Structural representation of Thorium dioxide