21 CFR § 178.3730 - Piperonyl butoxide and pyrethrins as components of bags.

---
identifier: "/us/cfr/t21/s178.3730"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 178.3730 - Piperonyl butoxide and pyrethrins as components of bags."
title_number: 21
title_name: "Food and Drugs"
section_number: "178.3730"
section_name: "Piperonyl butoxide and pyrethrins as components of bags."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "178"
part_name: "INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS"
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, 342, 348, 379e."
regulatory_source: "42 FR 14609, Mar. 15, 1977, unless otherwise noted."
cfr_part: "178"
---


# 178.3730 Piperonyl butoxide and pyrethrins as components of bags.

Piperonyl butoxide in combination with pyrethrins may be safely used for insect control on bags that are intended for use in contact with dried feed or dried food in compliance with 40 CFR 180.127 and 40 CFR 180.128.

[85 FR 72907, Nov. 16, 2020]