Current through September 30, 2024
Section 173.220 - 1,3-Butylene glycol1,3-Butylene glycol (1,3-butanediol) may be safely used in food in accordance with the following prescribed conditions:
(a) The substance meets the following specifications:(1) 1,3-Butylene glycol content: Not less than 99 percent.(2) Specific gravity at 20/20 °C: 1.004 to 1.006.(3) Distillation range: 200°-215 °C.(b) It is used in the minimum amount required to perform its intended effect.(c) 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.