[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR21.34] [Page 496] 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. 21.34 Formula No. 2-C. (a) Formula. To every 100 gallons of alcohol add: Thirty-three pounds or more of metallic sodium and either \1/2\ gallon of benzene, \1/2\ gallon of toluene, or \1/2\ gallon of rubber hydrocarbon solvent. (b) Authorized uses. (1) As a solvent: 344. Processing medicinal chemicals (including alkaloids). 358. Processing other chemicals. 359. Processing miscellaneous products. (2) As a raw material: 523. Miscellaneous ethyl esters. 530. Ethylamines. 540. Dyes and intermediates. 575. Drugs and medicinal chemicals. 579. Other chemicals. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). (c) Conditions governing use. This formula shall be used in a closed and continuous system unless otherwise authorized by the appropriate ATF officer.