Methyltetrahydrophthalic anhydride isomers
CAS Number
19438-64-3, 26590-20-5, 42498-58-8, 11070-44-3, 19438-63-2, 5333-84-6, 3425-89-6
Last Revised
2023
TWA Limit
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STEL
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Ceiling Limit
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Notes & Notations
- ACGIH DSEN - Dermal sensitizer
- ACGIH RSEN - Respiratory sensitizer
- ACGIH Skin - Contributes to exposure by the skin route
- OHSR 5.57 is applicable for this designated substance
- No British Columbia exposure limit at this time. Check if this substance has other exposure limits or designations / health hazard notations.
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.