---
type: threshold
id: 2-pentanone-methyl-propyl-ketone
asset: workplace-exposure-limits
title: "2-Pentanone (Methyl propyl ketone) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
source_quote: "2-Pentanone (Methyl propyl ketone) | 107-87-9 | 200 | 700 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "2-Pentanone (Methyl propyl ketone)"
cas_number: "107-87-9"
pel_ppm: "200"
pel_mgm3: "700"
verified: true
---
**Substance:** 2-Pentanone (Methyl propyl ketone)

**CAS No.:** 107-87-9

**PEL (ppm):** 200

**PEL (mg/m³):** 700

> 2-Pentanone (Methyl propyl ketone) | 107-87-9 | 200 | 700 | - |

Source: <https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1>