GroundRules
21 CFR 178.3950: Tetrahydrofuran.
Where this section sits in the code
- Title 21—Food and Drugs
- CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
- SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION
- PART 178—INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
- Subpart D—Certain Adjuvants and Production Aids
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.
Collected 2026-08-27T02:24:47Z. Source file · JSON