[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR178.3950]

[Page 434]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 178--INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS--Table of Contents
 
            Subpart D--Certain Adjuvants and Production Aids
 
Sec. 178.3950  Tetrahydrofuran.

    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 
Sec. 177.1980 of this chapter.
    (b) The residual amount of tetrahydrofuran in the film does not 
exceed 1.5 percent by weight of film.