27 CFR § 21.67
Formula No. 38-D
April 24, 2020
(a) Formula. To every 100 gallons of alcohol add:
Two and one-half pounds of menthol, U.S.P., and 2.5 gallons of formaldehyde solution, U.S.P.
(b) Authorized uses.
(1) As a solvent:
131. Dentifrices.
132. Mouth washes.
(2) Miscellaneous uses:
812. Product development and pilot plant uses (own use only).