# Stannous chloride — Food additive regulatory approval status — US FDA vs EU

For Stannous chloride, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.180; use conditions is color retention in asparagus packed in glass, with lids lined with an inert material, in an amount not to exceed 20 parts per million calculated as tin (Sn), recorded from its source on 2026-08-15.

- **Additive:** Stannous chloride _(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 172.180 _(our reading, not quoted from the source)_
- **Use conditions:** color retention in asparagus packed in glass, with lids lined with an inert material, in an amount not to exceed 20 parts per million calculated as tin (Sn) _(verified: appears in the quote below)_

## What the source says

> § 172.180 Stannous chloride. The food additive stannous chloride may be safely used for color retention in asparagus packed in glass, with lids lined with an inert material, in an amount not to exceed 20 parts per million calculated as tin (Sn).

## 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/).