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Properties of substance:

5-acetylsalicylic acid

Group of substances:

organic

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

C9H8O4

Structural formula as text:

CH3COC6H3(OH)COOH

Molar/atomic mass: 180.157

Melting point (°C):

221-222

Solubility (g/100 g of solvent):

water: 0.0623 (25°C) [Ref.]

Dissociation:

pKa (1) = 3.04 (25°C)

Enthalpy (heat) of solution ΔsolH (kJ)

28.2 (s) [Ref.]

References:

  1. International Journal of Molecular Sciences. - 2022. - Vol. 23, No. 19. - pp. 11750-1 - 11750-11 [DOI: 10.3390/ijms231911750]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru