# Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate — workplace exposure limit

For Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate, niosh rel (mg/m³) is TWA 3; cas no. is 300-76-5, verified against its source on 2026-09-08.

- **Substance:** Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate _(verified: appears in its own passage below)_
- **CAS No.:** 300-76-5 _(verified: appears in its own passage below)_
- **NIOSH REL (mg/m³):** TWA 3 _(verified: appears in the quote below)_

## What the source says

> NIOSH REL TWA 3 mg/m3 [skin]

## 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 - Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate

### CAS No.

> CAS No. 300-76-5

## Source

- https://www.cdc.gov/niosh/npg/npgd0225.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/).