---
kind: "unit"
title: "27"
title_heading: "Alcohol, Tobacco Products and Firearms"
key: "chI/subchA/part21"
level: "part"
label: "Part 21"
heading: "Formulas for Denatured Alcohol and Rum"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/27/chI-subchA-part21"
sections_count: 118
---

# Part 21 — Formulas for Denatured Alcohol and Rum

Title 27 C.F.R. — Alcohol, Tobacco Products and Firearms › Chapter I — Alcohol and Tobacco Tax and Trade Bureau, Department of the Treasury › Subchapter A — Alcohol

## Contents

- [Subpart A — General Provisions](/cfr/27/chI-subchA-part21-subpartA.md)
- [Subpart B — Definitions](/cfr/27/chI-subchA-part21-subpartB.md)
- [Subpart C — Completely Denatured Alcohol Formulas](/cfr/27/chI-subchA-part21-subpartC.md)
- [Subpart D — Specially Denatured Spirits Formulas and Authorized Uses](/cfr/27/chI-subchA-part21-subpartD.md)
- [Subpart E — Specifications for Denaturants](/cfr/27/chI-subchA-part21-subpartE.md)
- [Subpart F — Uses of Specially Denatured Alcohol and Specially Denatured Rum](/cfr/27/chI-subchA-part21-subpartF.md)
- [Subpart G — Denaturants Authorized for Denatured Spirits](/cfr/27/chI-subchA-part21-subpartG.md)
- [Subpart H — Weights and Specific Gravities of Specially Denatured Alcohol](/cfr/27/chI-subchA-part21-subpartH.md)