27 C.F.R. § 21.40 Formula No. 12–A.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Formula. To every 100 gallons of alcohol add:
Five gallons of benzene, or 5 gallons of toluene. (b) Authorized uses. (1) as a solvent:
021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 036. Adhesives and binders. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 351. Processing dyes and intermediates. 352. Processing perfume materials and fixatives. 354. Processing rosin. 358. Processing other chemicals. 359. Processing miscellaneous products. 430. Sterilizing and preserving solutions. (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).
Title 27: Alcohol, Tobacco and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart D—Specially Denatured Spirits Formulas and Authorized Uses
§ 21.40 Formula No. 12–A.

