---
kind: "section"
citation: "21 C.F.R. § 529.1115"
title: "21"
number: "529.1115"
heading: "Halothane."
url: "https://uscodex.org/cfr/21/529.1115"
---

# §529.1115. Halothane.

- (a) **Specifications.** The drug is a colorless, odorless, nonflammable, nonexplosive, heavy liquid containing 0.01 percent thymol as a preservative.
- (b) **Sponsor.** See No. 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use—**
  - (1) **Amount.** Two to 5 percent of inhaled atmosphere for induction of anesthesia; 0.5 to 2 percent for maintenance of anesthesia.
  - (2) **Indications for use.** For nonfood animals for the induction and maintenance of anesthesia.
  - (3) **Limitations.** Not for use in animals intended for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[46 FR 27915, May 22, 1981, as amended at 62 FR 29014, May 29, 1997; 79 FR 10973, Feb. 27, 2014; 85 FR 4208, Jan. 24, 2020]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13881, Mar. 27, 1975, unless otherwise noted.

### Amendments

[46 FR 27915, May 22, 1981, as amended at 62 FR 29014, May 29, 1997; 79 FR 10973, Feb. 27, 2014; 85 FR 4208, Jan. 24, 2020]