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Properties of substance:

D-malic acid

Group of substances:

organic

Physical appearance:

crystals

Empirical formula (Hill's system for organic substances):

C4H6O5

Structural formula as text:

HOOCCH2CH(OH)COOH

Melting point (°C):

97-101

CAS ¹: 636-61-3

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
ethanol: soluble [Ref.]
water: soluble [Ref.]

Dissociation:

pKa (1) = 5.26 (25°C, water)

References:

  1. Dictionary of Food Compounds with CD-ROM. - 2nd ed. - CRC Press, 2013. - pp. 1197

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru