27 CFR § 21.49 - Formula No. 23-H.

---
identifier: "/us/cfr/t27/s21.49"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "27 CFR § 21.49 - Formula No. 23-H."
title_number: 27
title_name: "Alcohol, Tobacco Products and Firearms"
section_number: "21.49"
section_name: "Formula No. 23-H."
chapter_name: "ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "ALCOHOL"
part_number: "21"
part_name: "FORMULAS FOR DENATURED ALCOHOL AND RUM"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 552(a); 26 U.S.C. 5242, 7805."
regulatory_source: "T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted."
cfr_part: "21"
---


# 21.49 Formula No. 23-H.

(a) *Formula.* To every 100 gallons of alcohol add:

Eight gallons of acetone, U.S.P., and 1.5 gallons of methyl isobutyl ketone.

(b) *Authorized uses.* (1) As a solvent:

111. Hair and scalp preparations.

113. Lotions and creams (hand, face, and body).

210. External pharmaceuticals, not U.S.P. or N.F.

220. Rubbing alcohols.

410. Disinfectants, insecticides, fungicides, and other biocides.

450. Cleaning solutions (including household detergents).

(2) Miscellaneous uses:

812. Product development and pilot plant uses (own use only).

[T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016]