21.40—Formula No. 12-A.

(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).