CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 182—SUBSTANCES GENERALLY RECOGNIZED AS SAFE > SUBPART B—Multiple Purpose GRAS Food Substances (§182.1045 to §182.1810) > 182.1127—Aluminum ammonium sulfate.