Reference Source

p-isomer — workplace exposure limit

What is the cas no. for p-isomer — workplace exposure limit?

For p-isomer, cas no. is 99-99-0, verified against its source on 2026-08-05.

p-isomer | 99-99-0 | - | - | - |

— osha.gov, retrieved 2026-08-05

Substance
p-isomer verified
CAS No.
99-99-0 verified
NIOSH REL (ppm)
TWA 2 per cdc.gov
NIOSH REL (mg/m³)
11 per cdc.gov
Sourceosha.gov
Verified
Review by
DatasetUS workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side

What cdc.gov says

NIOSH REL TWA 2 ppm (11 mg/m3) [skin]

— cdc.gov, retrieved 2026-09-08

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

What is the OSHA exposure limit for this substance?Find the exposure limit for a substance in workplace air — federal OSHA, California and NIOSH, side by side.

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