# Silver nitrate and hydrogen peroxide solution — Food additive regulatory approval status — US FDA vs EU

For Silver nitrate and hydrogen peroxide solution, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.167; use conditions is antimicrobial agent in bottled water; silver not to exceed 17 micrograms per kilogram, hydrogen peroxide not to exceed 23 milligrams per kilogram, recorded from its source on 2026-08-15.

- **Additive:** Silver nitrate and hydrogen peroxide solution _(verified: appears in the quote below)_
- **Jurisdiction:** US FDA (21 CFR 172–178) _(our reading, not quoted from the source)_
- **Status:** permitted _(our reading, not quoted from the source)_
- **Citation:** 21 CFR 172.167 _(our reading, not quoted from the source)_
- **Use conditions:** antimicrobial agent in bottled water; silver not to exceed 17 micrograms per kilogram, hydrogen peroxide not to exceed 23 milligrams per kilogram

## What the source says

> Permitted for Direct Addition to Food for Human Consumption Subpart B <https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-A> Previous <https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-C> Next Top Table of Contents Enhanced Content - Table of Contents Subpart B | Food Preservatives | <https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-B?toc=1> 172.105 – 172.190 | § 172.105 | Anoxomer. | § 172.110 | BHA. | § 172.115 | BHT. | § 172.120 | Calcium disodium EDTA. | § 172.130 | Dehydroacetic acid. | § 172.133 | Dimethyl dicarbonate. | § 172.135 | Disodium EDTA. | § 172.140 | Ethoxyquin. | § 172.145 | Heptylparaben. | § 172.150 | 4-Hydroxymethyl-2,6-di- tert -butylphenol. | § 172.155 | Natamycin (pimaricin). | § 172.160 | Potassium nitrate. | § 172.165 | Quaternary ammonium chloride combination. | § 172.167 | Silver nitrate and hydrogen peroxide solution.

## Source

- https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-B

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [Food additive regulatory approval status — US FDA vs EU](https://referencesource.org/food-additive-approval-status-us-vs-eu/).