Sulfoxidation process

Details Sulfoxidation process Sulfoxidation process

1975-08-27

1977-10-18

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14302

Patent

active

040545997

ABSTRACT:
Saturated aliphatic hydrocarbons are converted to color-stable aliphatic sulfonic acids in a single step without any initiator but in the presence of a low molecular weight acyl oxide and under anhydrous conditions by the rapid removal of the products as they are being formed, followed immediately by cooling and degassing to remove sulphur dioxide, then by immediate neutralization and complete hydrolysis at the boiling point of the unstable acid precursors present in the neutralized sulphonates by boiling at constant volume at a pH of about 8-10. The alkali metal salts of the sulfonic acids prepared by this process are color and pH-stable and useful as biodegradable detergents.

REFERENCES:
patent: 3743673 (1973-07-01), Downer et al.

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