Process for producing phthalonitrile

Details Process for producing phthalonitrile Process for producing phthalonitrile

1976-06-17

1977-12-13

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252467, C07C12014

Patent

active

040628850

ABSTRACT:
A process for producing phthalonitrile, which comprises reacting o-xylene with ammonia in the presence of oxygen or a mixture thereof with inert gases and a catalyst; as the latter use is made of a mixture of oxides of bismuth, antimony, molybdenum and chromium taken in a molar ratio of 1-15:1-10:0.5-5:0.5-20 respectively or a mixture of oxides of bismuth, antimony, molybdenum and vanadium taken in a molar ratio of 1-20:1-10:0.1-15:1-20 respectively deposited onto a support.

REFERENCES:
patent: 3393220 (1968-07-01), Winnick et al.
patent: 3870743 (1975-03-01), Ibing et al.

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