Stabilization of 1,1,1-trichoroethane

Details Stabilization of 1,1,1-trichoroethane Stabilization of 1,1,1-trichoroethane

C - Chemistry, Metallurgy

07

C

260/651.3

C07C 19/05 (2006.01) C07C 17/42 (2006.01)

Patent

CA 1133949

ABSTRACT A process and composition are disclosed for stabilizing 1,1,1-trichloroethane in contact with metals and in the presence of light and/or oxygen-containing gas. The process comprises incorporating in 1,1,1-trichloroethane: (a) from 0.1 to 5% by weight of tertiary butyl alcohol; (b) from 0.1 to 5% by weight of at least one of 2- methylbut-3-yn-2-ol and trioxan; (c) from 0.1 to 5% by weight of at least one C3-8 epoxide or chlorinated epoxide; (d) from 0.1 to 3% by weight of at least one C1-3 nitroalkane; and (e) from 0.001 to 1% by weight of at least one aliphatic, cyclic or heterocyclic C4-10 amine of a basic nature.

330825

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