Code of Federal Regulations (alpha)

CFR /  Title 27  /  Part 21  /  Sec. 21.44 Formula No. 19.

(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.

(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).