EINECS: 207-922-4
Molecular Formula: C₆H₆O₄
Synonyms: Kojic acid(whitening agent in cosmetic); 3-O-Ethyl ascorbic acid; 5-Hydroxy-2-hydroxymethyl-4H-4-pyranone; 4H-Pyran-4-one,5-hydroxy-2-(hydroxymethyl)-; 5-Hydroxy-2-hydroxymethyl-4-pyrone; 5-Hydroxy-2-(hydroxymethyl)-4-pyrone; 5-18-02-00516 (Beilstein Handbook Reference); 5-hydroxy-2-(hydroxymethyl)pyran-4-one; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one; 2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one; 4H-Pyran-4-one, 5-hydroxy-2- (hydroxymethyl)-;
Appearance: Tan powder
Molecular Weight: 142.11
Density: 1.542 g/cm3
Boiling Point: 401.7 °C at 760 mmHg
Melting Point: 151-156℃
Flash Point: 179.9 °C
Storage Temperature: Store in a cool, dry place. Store in a tightly closed container.
Solubility: soluble
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Usage: Converted to maltol and ethyl maltol, flavor-enhancing additives.