---
type: threshold
id: dibutyl-phosphate
asset: workplace-exposure-limits
title: "Dibutyl phosphate — 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: "Dibutyl phosphate | 107-66-4 | 1 | 5 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Dibutyl phosphate"
cas_number: "107-66-4"
pel_ppm: "1"
pel_mgm3: "5"
verified: true
---
**Substance:** Dibutyl phosphate

**CAS No.:** 107-66-4

**PEL (ppm):** 1

**PEL (mg/m³):** 5

> Dibutyl phosphate | 107-66-4 | 1 | 5 | - |

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