21 CFR 582.1666 - Propylene glycol.
(b) Conditions of use. This substance is generally recognized as safe (except in cat food) when used in accordance with good manufacturing or feeding practice.
[41 FR 38657, Sept. 10, 1976, as amended at 61 FR 19544, May 2, 1996]
Title 21 published on 2014-04-01
no entries appear in the Federal Register after this date.