27 CFR § 21.67 - Formula No. 38-D.

(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).