# Glyceryl tristearate — Food additive regulatory approval status — US FDA vs EU

For Glyceryl tristearate, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.811; use conditions is in food in accordance with the following prescribed conditions:   ( a ) The food additive (CAS Reg; cas no. is 555-43-1, recorded from its source on 2026-08-15.

- **Additive:** Glyceryl tristearate _(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 172.811 _(our reading, not quoted from the source)_
- **Use conditions:** in food in accordance with the following prescribed conditions:   ( a ) The food additive (CAS Reg. _(verified: appears in the quote below)_
- **CAS No.:** 555-43-1 _(verified: appears in the quote below)_

## What the source says

> § 172.811 Glyceryl tristearate. The food additive glyceryl tristearate may be safely used in food in accordance with the following prescribed conditions: ( a ) The food additive (CAS Reg. No. 555-43-1) is prepared by reacting stearic acid with glycerol in the presence of a suitable catalyst.

## Source

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

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/).