# 1,3-Butylene glycol — Food additive regulatory approval status — US FDA vs EU

For 1,3-Butylene glycol, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.712; use conditions is in food in accordance with the following prescribed conditions:   ( a ) It is prepared by the aldol condensation of acetaldehyde followed by catalytic hydrogenation; cas no. is 107-88-0, recorded from its source on 2026-08-15.

- **Additive:** 1,3-Butylene glycol _(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 172.712 _(our reading, not quoted from the source)_
- **Use conditions:** in food in accordance with the following prescribed conditions:   ( a ) It is prepared by the aldol condensation of acetaldehyde followed by catalytic hydrogenation. _(verified: appears in the quote below)_
- **CAS No.:** 107-88-0 _(verified: appears in the quote below)_

## What the source says

> § 172.712 1,3-Butylene glycol. The food additive 1,3-butylene glycol (CAS Reg. No. 107-88-0) may be safely used in food in accordance with the following prescribed conditions: ( a ) It is prepared by the aldol condensation of acetaldehyde followed by catalytic hydrogenation.

## 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/).