---
kind: "section"
citation: "21 C.F.R. § 178.3740"
title: "21"
number: "178.3740"
heading: "Plasticizers in polymeric substances."
url: "https://uscodex.org/cfr/21/178.3740"
---

# §178.3740. Plasticizers in polymeric substances.


Subject to the provisions of this regulation, the substances listed in [paragraph (b)](#b) of this section may be safely used as plasticizers in polymeric substances used in the manufacture of articles or components of articles intended for use in producing, manufacturing, packing, processing, preparing, treating, packaging, transporting, or holding food.

- (a) The quantity used shall not exceed the amount reasonably required to accomplish the intended technical effect.
- (b) **List of substances—**
- (c) The use of the plasticizers in any polymeric substance or article subject to any regulation in parts [174](/cfr/21/part174.md), [175](/cfr/21/part175.md), 176, 177, 178 and 179 of this chapter must comply with any specifications and limitations prescribed by such regulation for the finished form of the substance or article.

## Notes

### Amendments

[42 FR 14609, Mar. 15, 1977, as amended at 42 FR 44223, Sept. 2, 1977; 45 FR 56052, Aug. 22, 1980; 48 FR 5748, Feb. 15, 1984; 49 FR 10113, Mar. 19, 1984; 51 FR 47011, Dec. 30, 1986; 87 FR 31089, May 20, 2022]

### Authority

Authority: 21 U.S.C. 321, 342, 348, 379e.

### Source

Source: 42 FR 14609, Mar. 15, 1977, unless otherwise noted.

### Amendments

[42 FR 14609, Mar. 15, 1977, as amended at 42 FR 44223, Sept. 2, 1977; 45 FR 56052, Aug. 22, 1980; 48 FR 5748, Feb. 15, 1984; 49 FR 10113, Mar. 19, 1984; 51 FR 47011, Dec. 30, 1986; 87 FR 31089, May 20, 2022]