Phthalic anhydride
CAS Number
85-44-9
Last Revised
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TWA Limit
1 ppm
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
Basis of B.C. Exposure Limit
Minimize the potential for:
Minimize the potential for:
- Asthma
- Respiratory sensitization
- Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
Synonyms:
2-Benzofuran-1,3-dione
IDLH:
60 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.