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Properties of substance:

eicosanoic acid

Synonyms:

arachidic acid

Group of substances:

organic

Physical appearance:

crystals

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

C20H40O2

Structural formula as text:

CH3(CH2)18COOH

Molar/atomic mass: 312.54

Melting point (°C):

75.3-76.3

Boiling point (°C):

328

Decomposition temperature (°C):

328

Solubility (g/100 g of solvent):

benzene: very soluble [Ref.]
chloroform: very soluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: 0.57 (20°C) [Ref.]
water: insoluble [Ref.]

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-240
  2. Маркман А.Л. Химия липидов. - Вып. 1: Жирные кислоты. - Ташкент: Издательство АН Узбекской ССР, 1963. - pp. 16, 126-127 [Russian]
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 446-447 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru