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Malonic acid is also called malic acid. Molecular formula hoocch2cooh. It exists in beetroot in the form of calcium salt, and the scale deposited in the concentration tank of beet sugar production is calcium malonate. Malonic acid is a colorless lamellar crystal; melting point 135.6 ℃, 140 ℃ decomposition, density 1.619 g / cm3 (16 ℃); soluble in water, alcohol and ether. Soluble in acetone and pyridine.
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