---
kind: "section"
citation: "21 C.F.R. § 73.2120"
title: "21"
number: "73.2120"
heading: "Disodium EDTA-copper."
url: "https://uscodex.org/cfr/21/73.2120"
---

# §73.2120. Disodium EDTA-copper.

- (a) **Identity.** The color additive disodium EDTA-copper is disodium [[N,N′- 1,2- ethanediylbis[N - (carboxymethyl) glycinato]] (4-)-N,N′,O,O′,O N,O N′] cuprate (2-).
- (b) **Specifications.** Disodium EDTA-copper shall conform to the following specifications and shall be free from impurities other than those named to the extent that such impurities may be avoided by good manufacturing practice:
- (c) **Uses and restrictions.** Disodium EDTA-copper may be safely used in amounts consistent with good manufacturing practices in the coloring of shampoos which are cosmetics.
- (d) **Labeling requirements.** The labeling of the color additive shall conform to the requirements of [§ 70.25](/cfr/21/70.25.md) of this chapter.
- (e) **Exemption from certification.** Certification of this color additive is not necessary for the protection of the public health and therefore batches thereof are exempt from the requirements of [section 721(c)](/cfr/21/721.md?p=c) of the act.

## Notes

### Authority

Authority: 21 U.S.C. 321, 341, 342, 343, 348, 351, 352, 355, 361, 362, 371, 379e.

### Source

Source: 42 FR 15643, Mar. 22, 1977, unless otherwise noted.