21 CFR § 522.2092 - Secobarbital and dibucaine.

---
identifier: "/us/cfr/t21/s522.2092"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 522.2092 - Secobarbital and dibucaine."
title_number: 21
title_name: "Food and Drugs"
section_number: "522.2092"
section_name: "Secobarbital and dibucaine."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "522"
part_name: "IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS"
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. 360b."
regulatory_source: "40 FR 13858, Mar. 27, 1975, unless otherwise noted."
cfr_part: "522"
---


# 522.2092 Secobarbital and dibucaine.

(a) *Specifications.* Each milliliter (mL) of solution contains 400 milligram (mg) secobarbital sodium and 25 mg dibucaine hydrochloride.

(b) *Sponsor.* See No. 054771 in § 510.600(c) of this chapter.

(c) *Special considerations.* Product labeling shall bear the following warning statements: “ENVIRONMENTAL HAZARD: This product is toxic to wildlife. Birds and mammals feeding on treated animals may be killed. Euthanized animals must be properly disposed of by deep burial, incineration, or other method in compliance with State and local laws, to prevent consumption of carcass material by scavenging wildlife.”

(d) *Conditions of use in dogs*—(1) *Amount.* Administer 1 mL per 10 pounds of body weight as a single, bolus intravenous injection.

(2) *Indications for use.* For humane, painless, and rapid euthanasia.

(3) *Limitations.* Do not use in animals intended for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[85 FR 18120, Apr. 1, 2020]