Dimethylpolysiloxane in Pesticide Formulations; Exemption From the Requirement for a Toler
This regulation establishes an exemption from the requirement of a tolerance for residues of methyl end-capped polydimethylsiloxane (CAS Reg. No 63148-62-9); also known as dimethylpolysiloxane when used as an inert ingredient in a pesticide chemical formulation under 40 CFR 180.960. Momentive Performance Materials, Inc
| Agency | Environmental Protection Agency |
|---|---|
| Document type | Rule |
| Published | 2026-03-25 |
| Summary | This regulation establishes an exemption from the requirement of a tolerance for residues of methyl end-capped polydimethylsiloxane (CAS Reg. No 63148-62-9); also known as dimethylpolysiloxane when used as an inert ingredient in a pesticide chemical formulation under 40 CFR 180.960. Momentive Performance Materials, Inc submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of methyl end-capped polydimethylsiloxane on food or feed commodities when used in accordance with these exemptions. |
| Document number | 2026-05773 |
| Official record | https://www.federalregister.gov/documents/2026/03/25/2026-05773/dimethylpolysiloxane-in-pesticide-formulations-exemption-from-the-requirement-for-a-tolerance |