Furfural's physical properties are summarized in the table at top right. Furfural dissolves readily in most polar organic solvents, but is only slightly soluble in either water or alkanes.
The change of colour due to oxidation during storage does not affect most applications.
F 1568 (OTTO) Furfural, 98% Cas 98-01-1 - used in the preparation of biofuel 2-methylfuran. Furfural is an important renewable, non-petroleum based, chemical feedstock.