Reference Source

Propyne; see Methylacetylene — workplace exposure limit

What is the cas no. for Propyne; see Methylacetylene — workplace exposure limit?

For Propyne; see Methylacetylene, cas no. is 74997, verified against its source on 2026-08-05.

74997 | | Propyne; see Methylacetylene

— dir.ca.gov, retrieved 2026-08-05

Substance
Propyne; see Methylacetylene verified
CAS No.
74997 verified
Sourcedir.ca.gov
Verified
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DatasetUS workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side

Source

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.

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