21 CFR § 170.45 - Fluorine-containing compounds.

---
identifier: "/us/cfr/t21/s170.45"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 170.45 - Fluorine-containing compounds."
title_number: 21
title_name: "Food and Drugs"
section_number: "170.45"
section_name: "Fluorine-containing compounds."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "170"
part_name: "FOOD ADDITIVES"
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, 341, 342, 346a, 348, 371."
regulatory_source: "42 FR 14483, Mar. 15, 1977, unless otherwise noted."
cfr_part: "170"
---


# 170.45 Fluorine-containing compounds.

The Commissioner of Food and Drugs has concluded that it is in the interest of the public health to limit the addition of fluorine compounds to foods (a) to that resulting from the fluoridation of public water supplies, (b) to that resulting from the fluoridation of bottled water within the limitation established in § 165.110(d) of this chapter, and (c) to that authorized by regulations (40 CFR part 180) under section 408 of the Act.

[42 FR 14483, Mar. 15, 1977, as amended at 72 FR 10357 Mar. 8, 2007]