---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchA/part2/subpartF"
level: "subpart"
label: "Subpart F"
heading: "Caustic Poisons"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchA-part2-subpartF"
sections_count: 1
---

# Subpart F — Caustic Poisons

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services › Subchapter A — General › Part 2 — General Administrative Rulings and Decisions

## Sections

- [§2.110. Definition of ammonia under Federal Caustic Poison Act.](/cfr/21/2.110.md)