Process for the purification of phosphorous oxychloride

Details Process for the purification of phosphorous oxychloride Process for the purification of phosphorous oxychloride

C - Chemistry, Metallurgy

01

B

C01B 25/10 (2006.01)

Patent

CA 2242815

Impure POCl3 is purified by distillation in the presence of high-boiling nitrogen compounds from the group consisting of the substituted pyridines and pyrimidines, the open-chain and cyclic aliphatic amines, the open-chain and cyclic amidines, the guanidines and the aromatic amines.

Du POCl3 est purifié par distillation en présence de composés azotés à haut point d'ébullition, choisis dans un groupe constitué de dérivés de substitution de pyridines et de pyrimidines, d'amines aliphatiques cycliques ou à chaîne ouverte, d'amidines cycliques, de guanidines et d'amines aromatiques.

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