Reference Source

Toluene — workplace exposure limit

What is the cas no. for Toluene — workplace exposure limit?

For Toluene, cas no. is 108-88-3, verified against its source on 2026-08-05.

Toluene | 108-88-3 | - | (2) | - |

— osha.gov, retrieved 2026-08-05

Substance
Toluene verified
CAS No.
108-88-3 verified
NIOSH REL (ppm)
TWA 100 per cdc.gov
NIOSH REL (mg/m³)
375 per cdc.gov
PEL (ppm)
10 per dir.ca.gov
PEL (mg/m³)
37 per dir.ca.gov
Ceiling
500 ppm per dir.ca.gov
STEL (ppm)
150 per dir.ca.gov
STEL (mg/m³)
560 per dir.ca.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 100 ppm (375 mg/m3) ST 150 ppm (560 mg/m3)

— cdc.gov, retrieved 2026-09-08

What dir.ca.gov says

108883 | S | Toluene; toluol | 10 | 37 | 500 ppm | 150 | 560

— dir.ca.gov, retrieved 2026-08-05

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.

More on workplace safety and hazardous materials

All 25 datasets on this subject · Look something up