| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject composition capable of controlling reduction in component content and discoloration with time or by heating for a long period of time even in a high-concentration solution, neither freezing nor solidifying even under refrigeration conditions, useful as a disinfectant, etc., by adding a specific solvent and water to orthophthalaldehyde. SOLUTION: This composition is obtained by adding (B) at least one kind of solvent selected from (i) N,N-dimethylacetamide and (ii)γ-butyrolactone and (C) water to (A) orthophthalaldehyde. Preferably 50-250 pts.wt. of the component i and 1-150 pts.wt. of the component C or 50-200 pts.wt. of the component, ii and 1-150 pts.wt. of the component C are added to 100 pts.wt. of the component A. Preferably a solvent such as N-dimethylformamide may be used.
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