40 CFR § 180.1277 - Dibasic esters; exemption from the requirement of a tolerance.

---
identifier: "/us/cfr/t40/s180.1277"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.1277 - Dibasic esters; exemption from the requirement of a tolerance."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.1277"
section_name: "Dibasic esters; exemption from the requirement of a tolerance."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "180"
part_name: "TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321(q), 346a and 371."
regulatory_source: "36 FR 22540, Nov. 25, 1971, unless otherwise noted."
cfr_part: "180"
---


# 180.1277 Dibasic esters; exemption from the requirement of a tolerance.

Dibasic esters (CAS Reg. No. 95481-62-2) is exempted from the requirement of a tolerance for residues when used as an inert ingredient (solvent and/or anti-freeze) at 10% W/W or less in microencapsulated pesticide formulations with the active ingredient cyfluthrin.

[73 FR 10398, Feb. 27, 2008]