# Pentachloroethane — workplace exposure limit

For Pentachloroethane, cas no. is 76-01-7, verified against its source on 2026-09-08.

- **Substance:** Pentachloroethane _(verified: appears in its own passage below)_
- **CAS No.:** 76-01-7 _(verified: appears in its own passage below)_
- **NIOSH REL, as stated:** Handle with care in the workplace. See Appendix C (Chloroethanes) _(verified: appears in the quote below)_

## What the source says

> NIOSH REL Handle with care in the workplace. See Appendix C (Chloroethanes)

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Substance

> CDC - NIOSH Pocket Guide to Chemical Hazards - Pentachloroethane

### CAS No.

> CAS No. 76-01-7

## Source

- https://www.cdc.gov/niosh/npg/npgd0482.html

Last verified: 2026-09-08. Review by: 2027-09-08.
Part of [US workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side](https://referencesource.org/workplace-exposure-limits/).