Molybdenum - Soluble compounds, as Mo, Respirable
CAS Number
1313-27-5, 10241-05-1, 13478-17-0, 12054-85-2, 12027-67-7, 7631-95-0, 10102-40-6, 7789-82-4, 7439-98-7
Last Revised
2026
TWA Limit
0.5 mg/m3
STEL
--
Ceiling Limit
--
Notes & Notations
- IARC 2B - Possibly carcinogenic (cancer causing) to humans - Molybdenum trioxide only, with CAS number 1313-27-5
- Molybdenum - Soluble compounds include: Molybdenum trioxide; Molybdenum chloride; Ammonium molybdate; Ammonium paramolybdate; Sodium molybdate; Calcium molydbate
- Various CAS numbers may be applicable
- OHSR 5.57 is applicable for this designated substance
Basis of B.C. Exposure Limit
Minimize the potential for:
Minimize the potential for:
- Lower respiratory tract irritation
- Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
Synonyms:
Mo
IDLH:
1000 mg/m3
(Source: NIOSH)
If the substance you are searching has an entry that contains a size-selective fraction, form, or work activity, you should perform an additional search to confirm if other exposure limits may apply.
Ensure no workers are exposed to a substance that exceeds the exposure limits in accordance with OHSR 5.48.
Ensure no workers are exposed to a substance that exceeds the exposure limits in accordance with OHSR 5.48.