21 CFR 173.360 - Octafluorocyclobutane.
(a) The food additive meets the following specifications:
(b) The additive is used or intended for use alone or with one or more of the following substances: Carbon dioxide, nitrous oxide, and propane, as a propellant and aerating agent for foamed or sprayed food products, except for those standardized foods that do not provide for such use.
(c) To assure safe use of the additive:
(i) The name of the additive, octafluorocyclobutane.
(ii) The percentage of the additive present in the case of a mixture.
(iii) The designation “food grade”.