# Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

For Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester, cas no. is 50782-69-9; epcra tpq (lbs) is 100; epcra rq (lbs) is 100, verified against its source on 2026-08-05.

- **Substance:** Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester _(verified: appears in the quote below)_
- **CAS No.:** 50782-69-9 _(verified: appears in the quote below)_
- **EPCRA TPQ (lbs):** 100 _(verified: appears in the quote below)_
- **EPCRA RQ (lbs):** 100 _(verified: appears in the quote below)_

## What the source says

> 50782-69-9 | Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester | | 100 |

## Source

- https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)](https://referencesource.org/chemical-regulatory-reporting-thresholds/).