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Title 21

Displaying title 21, up to date as of 7/14/2026. Title 21 was last amended 7/09/2026.
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Title 21Food and DrugsPart / Section
Chapter IFood and Drug Administration, Department of Health and Human Services1 – 1299
Subchapter EAnimal Drugs, Feeds, and Related Products500 – 599
Part 582Substances Generally Recognized as Safe582.1 – 582.7724
Subpart DChemical Preservatives582.3013 – 582.3890
§ 582.3013Ascorbic acid.
§ 582.3021Benzoic acid.
§ 582.3041Erythorbic acid.
§ 582.3081Propionic acid.
§ 582.3089Sorbic acid.
§ 582.3109Thiodipropionic acid.
§ 582.3149Ascorbyl palmitate.
§ 582.3169Butylated hydroxyanisole.
§ 582.3173Butylated hydroxytoluene.
§ 582.3189Calcium ascorbate.
§ 582.3221Calcium propionate.
§ 582.3225Calcium sorbate.
§ 582.3280Dilauryl thiodipropionate.
§ 582.3336Gum guaiac.
§ 582.3490Methylparaben.
§ 582.3616Potassium bisulfite.
§ 582.3637Potassium metabisulfite.
§ 582.3640Potassium sorbate.
§ 582.3660Propyl gallate.
§ 582.3670Propylparaben.
§ 582.3731Sodium ascorbate.
§ 582.3733Sodium benzoate.
§ 582.3739Sodium bisulfite.
§ 582.3766Sodium metabisulfite.
§ 582.3784Sodium propionate.
§ 582.3795Sodium sorbate.
§ 582.3798Sodium sulfite.
§ 582.3845Stannous chloride.
§ 582.3862Sulfur dioxide.
§ 582.3890Tocopherols.