| 摘要 |
The present invention relates to a quaternary ammonium salt composition containing (a) a quaternary ammonium salt represented by the following general formula (1), (b) a specific tertiary amine and (c) an organic acid ester in specific mass ratios which is excellent in hue and storage stability, a process for producing the quaternary ammonium salt composition, and a wood preservative containing the quaternary ammonium salt composition. wherein R1 is an alkyl or alkenyl group; R2 is an alkyl, alkenyl or hydroxyalkyl group; R3 is an alkyl or hydroxyalkyl group; R4 is an alkylene group; n is a number of from 1 to 5; and A is a counter ion derived from sulfonic acid, etc.
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