21 CFR § 178.3290 - Chromic chloride complexes.
---
identifier: "/us/cfr/t21/s178.3290"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 178.3290 - Chromic chloride complexes."
title_number: 21
title_name: "Food and Drugs"
section_number: "178.3290"
section_name: "Chromic chloride complexes."
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"
---
# 178.3290 Chromic chloride complexes.
Myristo chromic chloride complex and stearato chromic chloride complex may be safely used as release agents in the closure area of packaging containers intended for use in producing, manufacturing, packing, processing, preparing, treating, packaging, transporting, or holding food, subject to the provisions of this section:
(a) The quantity used shall not exceed that reasonably required to accomplish the intended technical effect nor exceed 7 micrograms of chromium per square inch of closure area.
(b) The packaging container which has its closure area treated with the release agent shall have a capacity of not less than 120 grams of food per square inch of such treated closure area.