§173.220. 1,3-Butylene glycol.
21 C.F.R. § 173.220
1,3-Butylene glycol (1,3-butanediol) may be safely used in food in accordance with the following prescribed conditions:
The substance meets the following specifications—
1,3-Butylene glycol content: Not less than 99 percent.
Specific gravity at 20/20 °C— 1.004 to 1.006.
Distillation range— 200°-215 °C.
It is used in the minimum amount required to perform its intended effect.
It is used as a solvent for natural and synthetic flavoring substances except where standards of identity issued under section 401 of the act preclude such use.
Notes, amendments, and revision history
Authority
Authority: 21 U.S.C. 321, 342, 348.
Source
Source: 42 FR 14526, Mar. 15, 1977, unless otherwise noted.