Reference Source

1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-]

For 1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-], cas no. is 57-14-7; epa rmp tq (lbs) is 15,000; rmp category is toxic; rmp basis for listing is b, recorded from its source on 2026-08-15.

Substance
1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-] verified
CAS No.
57-14-7 verified
EPA RMP TQ (lbs)
15,000 verified
RMP category
toxic our reading
RMP basis for listing
b verified
OSHA PSM TQ (lbs)
1000 per osha.gov
Sourceecfr.gov
Verified
Review by
DatasetOSHA PSM vs EPA RMP: chemical threshold quantities side by side

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-] | 57-14-7 | 15,000 | b

ecfr.gov, retrieved 2026-08-15

What osha.gov says

Dimethylhydrazine, 1,1- | 57-14-7 | 1000

osha.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.