The Office of Environmental Health Hazard Assessment (OEHHA) added new substances Molybdenum trioxide (CAS NO: 1313-27-5) & Indium tin oxide (CAS NO: 50926-11-9) to the list of chemicals known to the State of California to cause the health hazard (Cancer).

International Agency for Research on Cancer (IARC) concluded that the molybdenum trioxide & Indium tin oxide are classified in Group 2B which is “possibly carcinogenic to humans” based on sufficient evidence of Carcinogenicity in animals.

Chemical name Type of Toxicity Listing Mechanism CAS No. Date Listed
Indium tin oxide cancer LC 50926-11-9 19-Mar-21
Molybdenum trioxide cancer LC 1313-27-5 19-Mar-21


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