21 CFR 178.3950
§ 178.3950 Tetrahydrofuran.
United States · 21 CFR — Food and Drugs · Status: effective
Cite this
- Citation
- 21 CFR 178.3950, § 178.3950 Tetrahydrofuran, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/85333
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Full text
Tetrahydrofuran may be safely used in the fabrication of articles intended for packaging, transporting, or storing foods, subject to the provisions of this section.
(a) It is used as a solvent in the casting of film from a solution of polymeric resins of vinyl chloride, vinyl acetate, or vinylidene chloride that have been polymerized singly or copolymerized with one another in any combination, or it may be used as a solvent in the casting of film prepared from vinyl chloride copolymers complying with § 177.1980 of this chapter.
(b) The residual amount of tetrahydrofuran in the film does not exceed 1.5 percent by weight of film.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.