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Properties of substance:

3-hydroxy-4-methoxybenzaldehyde

Group of substances:

organic

Physical appearance:

yellow plate-like crystals

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

C8H8O3

Structural formula as text:

HO(CH3O)C6H3CHO

Molar/atomic mass: 152.147

Melting point (°C):

116

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
benzene: soluble [Ref.]
chloroform: very soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: sparingly soluble [Ref.]
water: soluble (100°C) [Ref.]

Vapour pressure (Torr):

15 (179°C)

Dissociation:

pKa (1) = 8.889 (25°C, water)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-292
  2. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 40-41 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru