---
kind: "section"
citation: "21 C.F.R. § 172.135"
title: "21"
number: "172.135"
heading: "Disodium EDTA."
url: "https://uscodex.org/cfr/21/172.135"
---

# §172.135. Disodium EDTA.


The food additive disodium EDTA (disodium ethylenediaminetetraacetate) may be safely used in designated foods for the purposes and in accordance with the following prescribed conditions:

- (a) The additive contains a minimum of 99 percent disodium ethylenedia-minetetraacetate dihydrate (C10H14O8N2Na2·2H2O).
- (b) **It is used or intended for use as follows—**
  - (1) Alone, in the following foods at not to exceed the levels prescribed, calculated as anhydrous calcium disodium EDTA:
  - (2) With calcium disodium EDTA (calcium disodium ethylenediaminetetraacetate; calcium disodium (ethylenedinitrilo) tetraacetate), in the following foods at not to exceed, in combination, the levels prescribed, calculated as anhydrous C10H12O8N2CaNa2:
  - (3) Alone, as a sequestrant in the nonnutritive sweeteners that are listed in [§ 180.37](/cfr/21/180.37.md) of this chapter and that, in addition, are designed for aqueous solution: Provided, That the amount of the additive, calculated as anhydrous calcium disodium EDTA, does not exceed 0.1 percent by weight of the dry nonnutritive sweetener.
- (c) **To assure the safe use of the additive—**
  - (1) The label and labeling of the additive container shall bear, in addition to the other information required by the act, the name of the additive.
  - (2) The label or labeling of the additive container shall bear adequate use directions to provide a final food product that complies with the limitations provided in [paragraph (b)](#b) of this section.
- (d) In the standardized foods listed in paragraphs [(b)(1)](#b-1) and [(2)](#b-2) of this section the additives are used only in compliance with the applicable standards of identity for such foods.

## Notes

### Amendments

[42 FR 14491, Mar. 15, 1977, as amended at 65 FR 48379, Aug. 8, 2000]

### Authority

Authority: 21 U.S.C. 321, 341, 342, 348, 371, 379e.

### Source

Source: 42 FR 14491, Mar. 15, 1977, unless otherwise noted.

### Amendments

[42 FR 14491, Mar. 15, 1977, as amended at 65 FR 48379, Aug. 8, 2000]