Malonic acid is a dicarboxylic acid with a very faint, sharp, sour-acidic odor. It is not a typical fragrance material and has minimal olfactory presence — used more as a chemical intermediate than a perfumery ingredient.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 777.
White crystals.
Soluble in water, 35% soluble in alcohol, slightly soluble in oils.
Practically odorless.
Somewhat acrid-astringent taste, not very pleasant.
Many malonic esters are used in flavor compositions and are listed in this work.
Produced from sodium cyanide plus monochloroacetic acid to cyanoacetic acid, which is hydrolyzed to subject material.