---
kind: "section"
citation: "21 C.F.R. § 172.270"
title: "21"
number: "172.270"
heading: "Sulfated butyl oleate."
url: "https://uscodex.org/cfr/21/172.270"
---

# §172.270. Sulfated butyl oleate.


Sulfate butyl oleate may be safely used in food, subject to the following prescribed conditions:

- (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) **Not less than 90 percent butyl oleate.**
  - (2) Not more than 1.5 percent unsaponifiable matter.
- (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.

## Notes

### Amendments

[57 FR 12711, Apr. 13, 1992]

### Authority

Authority: 21 U.S.C. 321, 341, 342, 348, 371, 379e.

### Source

Source: 42 FR 14491, Mar. 15, 1977, unless otherwise noted.

### Amendments

[57 FR 12711, Apr. 13, 1992]