Reference Source

Methylene bisphenyl isocyanate (MDI)

For Methylene bisphenyl isocyanate (MDI), cas no. is 101-68-8; pel (ppm) is (C)0.02; pel (mg/m³) is (C)0.2, verified against its source on 2026-08-05.

Substance
Methylene bisphenyl isocyanate (MDI)
CAS No.
101-68-8
PEL (ppm)
(C)0.02
PEL (mg/m³)
(C)0.2
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

Methylene bisphenyl isocyanate (MDI) | 101-68-8 | (C)0.02 | (C)0.2 | - |

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.