METHOD FOR PRODUCING ALPHA-HYDROXY CARBOXYLIC ACID COMPOSITION
Provided is a means for producing an α-hydroxycarboxylic acid composition purified in a high yield and a high purity. A method for producing an α-hydroxycarboxylic acid composition, comprising distilling a mixed solution containing an α-hydroxycarboxylic acid, water, and an organic impurity, wherein...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | Provided is a means for producing an α-hydroxycarboxylic acid composition purified in a high yield and a high purity. A method for producing an α-hydroxycarboxylic acid composition, comprising distilling a mixed solution containing an α-hydroxycarboxylic acid, water, and an organic impurity, wherein the distillation is performed under a condition that an upper limit temperature of a bottoms liquid is 140°C or lower. |
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