Code of Federal Regulations · Section
§ 21.44 — Formula No. 19
27 C.F.R. § 21.44
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(a) Formula. To every 100 gallons of alcohol add:
One hundred gallons of ethyl ether.
(b) Authorized uses. (1) As a solvent:
031. Photographic film and emulsions.
034. Cellulose intermediates and industrial collodions.
241. Collodion, U.S.P.
(2) Miscellaneous uses:
812. Product development and pilot plant uses (own use only).
Authorizing Statute
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Denaturing materials26 U.S.C. § 5242