[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR182.1057] [Page 456-457] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 182--SUBSTANCES GENERALLY RECOGNIZED AS SAFE--Table of Contents Subpart B--Multiple Purpose GRAS Food Substances Sec. 182.1057 Hydrochloric acid. (a) Product. Hydrochloric acid. (b) [Reserved] (c) Limitations, restrictions, or explanation. This substance is generally recognized as safe when used as a buffer [[Page 457]] and neutralizing agent in accordance with good manufacturing practice.