Description： Colourless clear transparent liquid Identification： IR is consistent with the map Refractive index： 1.420-1.425 pH： 4.3-5.6 Assay： ≥99.0% Methyl acetoacetate： ≤0.2% Other singl impurity ：≤0.2% Ethyl 3-oxopentanoate ：≤0.20% Totall impurity ：≤1.0% Water ：≤0.20%
