[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR21.49] [Page 541] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY PART 21_FORMULAS FOR DENATURED ALCOHOL AND RUM--Table of Contents Subpart D_Specially Denatured Spirits Formulas and Authorized Uses Sec. 21.49 Formula No. 23-H. (a) Formula. To every 100 gallons of alcohol add: Eight gallons of acetone, U.S.P., and 1.5 gallons of methyl isobutyl ketone. (b) Authorized uses. (1) As a solvent: 111. Hair and scalp preparations. 113. Lotions and creams (hand, face, and body). 210. External pharmaceuticals, not U.S.P. or N.F. 220. Rubbing alcohols. 410. Disinfectants, insectides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only).