Reference Source

alpha-Methyl styrene

For alpha-Methyl styrene, cas no. is 98-83-9; pel (ppm) is (C)100; pel (mg/m³) is (C)480, verified against its source on 2026-08-05.

Substance
alpha-Methyl styrene
CAS No.
98-83-9
PEL (ppm)
(C)100
PEL (mg/m³)
(C)480
Sourceosha.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

What the source says

alpha-Methyl styrene | 98-83-9 | (C)100 | (C)480 | - |

— osha.gov, retrieved 2026-08-05

Source

Last verified against source: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF concept · full dataset as JSON.