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Thorium Dioxide MeSH Descriptor Data 2023


MeSH Heading
Thorium Dioxide
Tree Number(s)
D01.650.550.875
D01.930.930
Unique ID
D013911
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013911
Scope Note
Thorium oxide (ThO2). A radiographic contrast agent that was used in the early 1930s through about 1954. High rates of mortality have been linked to its use and it has been shown to cause liver cancer.
Entry Term(s)
Thorium Oxide
Thorotrast
Pharm Action
Carcinogens
Registry Number
9XA7X17UQC
Related Numbers
1314-20-1
CAS Type 1 Name
Thorium oxide (ThO2)
Public MeSH Note
65
History Note
65
Date Established
1965/01/01
Date of Entry
1999/01/01
Revision Date
2013/07/08
Thorium Dioxide Preferred
Thorotrast Narrower
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