---
kind: "section"
citation: "27 C.F.R. § 21.93"
title: "27"
number: "21.93"
heading: "Acetaldehyde."
url: "https://uscodex.org/cfr/27/21.93"
---

# §21.93. Acetaldehyde.

- (a) **Aldehyde content (as acetaldehyde).** Not less than 95.0 percent by weight.
- (b) **Color.** Colorless.
- (c) **Odor.** Characteristic pungent, fruity odor.
- (d) **Specific gravity at 15.56 °/15.56 °C.** Not less than 0.7800.

## Notes

### Authority

Authority: 5 U.S.C. 552(a); 26 U.S.C. 5242, 7805.

### Source

Source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted.