Reference Source

Methyl Isocyanate

For Methyl Isocyanate, cas no. is 624-83-9; osha psm tq (lbs) is 250, verified against its source on 2026-08-15.

Substance
Methyl Isocyanate verified
CAS No.
624-83-9 verified
OSHA PSM TQ (lbs)
250 verified
EPA RMP TQ (lbs)
10,000 per ecfr.gov
RMP category
toxic per ecfr.gov
RMP basis for listing
a, b per ecfr.gov
Sourceosha.gov
Verified
Review by
DatasetOSHA PSM vs EPA RMP: chemical threshold quantities side by side

What the source says

Methyl Isocyanate | 624-83-9 | 250

— osha.gov, retrieved 2026-08-15

What ecfr.gov says

Methyl isocyanate [Methane, isocyanato-] | 624-83-9 | 10,000 | a, b

— ecfr.gov, retrieved 2026-08-15

Sources

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