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Properties of substance:

stearolic acid

Synonyms:

9-octadecynoic acid

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

C18H32O2

Structural formula as text:

CH3(CH2)7C≡C(CH2)7COOH

Molar/atomic mass: 280.445

Melting point (°C):

48

Boiling point (°C):

260

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
ethanol: sparingly soluble [Ref.]
ethanol: soluble (78°C) [Ref.]
water: insoluble [Ref.]

Refractive index (nD):

1.451 (54.5°C)

References:

  1. Dictionary of organic compounds. - Vol. 3, naphthacarbazole - zygadenine. - М.: ИИЛ, 1949. - pp. 638
  2. Краткая химическая энциклопедия. - Т. 4: Пирометаллургия-С. - М.: Советская энциклопедия, 1965. - pp. 1027 [Russian]
  3. Маркман А.Л. Химия липидов. - Вып. 1: Жирные кислоты. - Ташкент: Издательство АН Узбекской ССР, 1963. - pp. 161 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 956-957 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru