21 CFR § 178.2550 - 4-Hydroxymethyl-2,6-di--butylphenol.

---
identifier: "/us/cfr/t21/s178.2550"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 178.2550 - 4-Hydroxymethyl-2,6-di--butylphenol."
title_number: 21
title_name: "Food and Drugs"
section_number: "178.2550"
section_name: "4-Hydroxymethyl-2,6-di--butylphenol."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "178"
part_name: "INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 342, 348, 379e."
regulatory_source: "42 FR 14609, Mar. 15, 1977, unless otherwise noted."
cfr_part: "178"
---


# 178.2550 4-Hydroxymethyl-2,6-di--butylphenol.

4-Hydroxymethyl-2,6-di*-tert-*butyl-phenol may be safely used as an antioxidant in articles intended for use in contact with food, in accordance with the following prescribed conditions:

(a) The additive has a solidification point of 140°-141 °C.

(b) The concentration of the additive and any other permitted antioxidants in the finished food-contact article does not exceed a total of 0.5 milligram per square inch of food-contact surface.