21 CFR 573.225
§ 573.225 1,3-Butylene glycol.
United States · 21 CFR — Food and Drugs · Status: effective
Cite this
- Citation
- 21 CFR 573.225, § 573.225 1,3-Butylene glycol, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87958
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Full text
The food additive 1,3-butylene glycol (1,3-butanediol) may be safely used in accordance with the following prescribed conditions:
(a) It complies with the specifications in § 173.220(a) of this chapter.
(b) It is intended for use in swine feed as a source of energy.
(c) It is to be thoroughly mixed into feed at levels not to exceed 9 percent of the dry matter of the total ration.
(d) 1,3-Butylene glycol should be mixed in feed with equipment adapted for the addition of liquids, and the feed should be mixed not less than 5 minutes after its addition.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.