StacksVerified U.S. regulatory reference

21 CFR §172.270

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Sulfate butyl oleate may be safely used in food, subject to the following prescribed conditions:
  1. (a)The additive is prepared by sulfation, using concentrated sulfuric acid, of a mixture of butyl esters produced by transesterification of an edible vegetable oil using 1-butanol. Following sulfation, the reaction mixture is washed with water and neutralized with aqueous sodium or potassium hydroxide. Prior to sulfation, the butyl oleate reaction mixture meets the following specifications:
    1. (1)Not less than 90 percent butyl oleate.
    2. (2)Not more than 1.5 percent unsaponifiable matter.
  2. (b)The additive is used or intended for use at a level not to exceed 2 percent by weight in an aqueous emulsion in dehydrating grapes to produce raisins, whereby the residue of the additive on the raisins does not exceed 100 parts per million.