Diacetone alcohol (4-Hydroxy-4-methyl-2-pentanone)

For Diacetone alcohol (4-Hydroxy-4-methyl-2-pentanone), cas no. is 123-42-2; pel (ppm) is 50; pel (mg/m³) is 240, verified against its source on 2026-08-05.

Substance: Diacetone alcohol (4-Hydroxy-4-methyl-2-pentanone)
CAS No.: 123-42-2
PEL (ppm): 50
PEL (mg/m³): 240

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

Diacetone alcohol (4-Hydroxy-4-methyl-2-pentanone) | 123-42-2 | 50 | 240 | - |

— osha.gov, retrieved 2026-08-05

Source

osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

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.