Reducing copper corrosiveness of organic sulfides

Details Reducing copper corrosiveness of organic sulfides Reducing copper corrosiveness of organic sulfides

1992-01-29

1993-05-04

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

568 21, 208226, 208230, 208231, C07C32114, C07C32312

Patent

active

052083829

ABSTRACT:
The copper corrosiveness of organic sulfides is reduced by treating them with an alkali metal-containing or alkaline earth metal-containing substance capable of dissolving elemental sulfur (e.g., sodium hydroxide, sodium sulfide, etc.). The process is conducted in the presence of a phase transfer catalyst in an aqueous liquid reaction medium. Experiments have shown that it is possible by use of this process to reduce the copper corrosiveness to a level below that exhibited by a product formed by treating the same initial organic sulfide in the same way but in the absence of a phase transfer catalyst.

REFERENCES:
patent: 4827040 (1989-05-01), Labat et al.

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