Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 3 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER B - FOOD FOR HUMAN CONSUMPTION (CONTINUED)
/ PART 173 - SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION
/ Subpart C - Solvents, Lubricants, Release Agents and Related Substances / § 173.220 1,3-Butylene glycol.
§ 173.220 1,3-Butylene glycol.
1,3-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.