The difference between crude methyl ester and refined methyl ester

Different chemical components have different chemical structures.

1, the chemical composition is different: the main components of crude methyl ester are methyl ester, methyl oleic acid and methyl linoleic acid, as well as other complex compounds, while the main components of refined methyl ester are methyl ester, methyl oleic acid and methyl linoleic acid.

2. Different chemical structures: Crude methyl ester is directly synthesized from methanol and formic acid, which contains many impurities and unreacted acid alcohol, and its quality is relatively poor, while refined methyl ester is a methyl ester compound with high ester group purity, low impurity content and excellent quality.

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