---
type: threshold
id: tert-butyl-acetate
asset: workplace-exposure-limits
title: "tert-Butyl acetate — 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: "tert-Butyl acetate | 540-88-5 | 200 | 950 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "tert-Butyl acetate"
cas_number: "540-88-5"
pel_ppm: "200"
pel_mgm3: "950"
verified: true
---
**Substance:** tert-Butyl acetate

**CAS No.:** 540-88-5

**PEL (ppm):** 200

**PEL (mg/m³):** 950

> tert-Butyl acetate | 540-88-5 | 200 | 950 | - |

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