Nitrosamine inhibition
First Claim
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1. A method of stabilizing an amine oxide in order to inhibit the formation of nitrosamines therein during storage or heating of said amine oxide, said method consisting essentially of adding to said amine oxide before, during or after the preparation thereof from 2.5% to 20% by weight (based on the weight of amine reacted to form said amine oxide) of a stabiliser selected from the group consisting of bicarbonates, carbonates and mixtures of said bicarbonates and carbonates.
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Abstract
Bicarbonates and/or carbonates are used in greater than catalytic amounts to inhibit the formation of nitrosamines during the preparation, storage and/or use of amine oxides.
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17 Claims
- 1. A method of stabilizing an amine oxide in order to inhibit the formation of nitrosamines therein during storage or heating of said amine oxide, said method consisting essentially of adding to said amine oxide before, during or after the preparation thereof from 2.5% to 20% by weight (based on the weight of amine reacted to form said amine oxide) of a stabiliser selected from the group consisting of bicarbonates, carbonates and mixtures of said bicarbonates and carbonates.
Specification