---
kind: "section"
citation: "27 C.F.R. § 21.100"
title: "27"
number: "21.100"
heading: "n -Butyl alcohol."
url: "https://uscodex.org/cfr/27/21.100"
---

# §21.100. n -Butyl alcohol.

- (a) **Acidity (as acetic acid).** 0.03 percent by weight maximum.
- (b) **Color.** Colorless.
- (c) **Dryness at 20 °C.** Miscible without turbidity with 10 volumes of 60° Bé1. gasoline.
- (d) **Odor.** Characteristic odor.
- (e) **Specific gravity at 20 °/20 °C.** 0.810 to 0.815.

## Notes

### Amendments

[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]

### 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.

### Amendments

[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]