E-Limit

Nitropyrene, mono, di, tri, tetra, isomers

CAS Number

75321-20-9, 42397-65-9, 5522-43-0, 57835-92-4, 42397-64-8

Last Revised

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TWA Limit

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STEL

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Ceiling Limit

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Notes & Notations
  • IARC 2A - Probably carcinogenic (cancer causing) to humans - 1-Nitropyrene
  • IARC 2B - Possibly carcinogenic (cancer causing) to humans - 1,3-Dinitropyrene
  • IARC 2B - Possibly carcinogenic (cancer causing) to humans - 1,6-Dinitropyrene
  • IARC 2B - Possibly carcinogenic (cancer causing) to humans - 1,8-Dinitropyrene
  • IARC 2B - Possibly carcinogenic (cancer causing) to humans - 4-Nitropyrene
  • OHSR 5.57 is applicable for this designated substance
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.