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Properties of substance:

hexadecanoic acid

Synonyms:

palmitic acid

Group of substances:

organic

Physical appearance:

colorless needles crystals

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

C16H32O2

Structural formula as text:

CH3(CH2)14COOH

Molar/atomic mass: 256.424

Melting point (°C):

62.5-64

Boiling point (°C):

339-356

CAS №: 57-10-3

Solubility (g/100 g of solvent):

1-butanol: 10.5 (20°C) [Ref.]
1-propanol: 2.06 (0°C) [Ref.]
1-propanol: 16 (21°C) [Ref.]
2-propanol: 10.9 (20°C) [Ref.]
acetic acid: 2.14 (20°C) [Ref.]
acetone: 5.38 (20°C) [Ref.]
amyl acetate: 16.6 (25°C) [Ref.]
benzene: 7.3 (20°C) [Ref.]
carbon tetrachloride: 0.473 (0°C) [Ref.]
carbon tetrachloride: 5.8 (20°C) [Ref.]
chloroform: 15.1 (20°C) [Ref.]
cyclohexane: 6.5 (20°C) [Ref.]
diethyl ether: 32.8 (25°C) [Ref.]
dimethylsulfoxide: 91 (25°C) [Ref.]
ethanol 50%: 0.0625 (10°C) [Ref.]
ethanol 50%: 0.1 (20°C) [Ref.]
ethanol 50%: 0.4 (40°C) [Ref.]
ethanol abs.: 3.5 (10°C) [Ref.]
ethanol abs.: 11.65 (20°C) [Ref.]
ethanol abs.: 41.4 (40°C) [Ref.]
ethyl acetate: 10.7 (25°C) [Ref.]
hexane: 0.5 (10°C) [Ref.]
hexane: 3.1 (20°C) [Ref.]
hexane: 14.5 (30°C) [Ref.]
hexane: 62.4 (40°C) [Ref.]
hexane: 239 (50°C) [Ref.]
hexane: 2280 (60°C) [Ref.]
i-butanol: 14.7 (21°C) [Ref.]
methanol: 0.73 (0°C) [Ref.]
methanol: 5.37 (21°C) [Ref.]
methyl acetate: 7.81 (25°C) [Ref.]
methyl formate: 2.5 (25°C) [Ref.]
water: 0.00046 (0°C) [Ref.]
water: 0.00072 (20°C) [Ref.]
water: 0.00083 (30°C) [Ref.]
water: 0.001 (45°C) [Ref.]
water: 0.0012 (60°C) [Ref.]

LD50 (mg/kg):

57 (mice, intravenous)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-294
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 763-765
  3. Stahl P.H., Wermuth C.G. Handbook of Pharmaceutical Salts: Properties, Selection, and Use. - Wiley-VCH, 2002. - pp. 300-301
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 1062-1063
  5. Маркман А.Л. Химия липидов. - Вып. 1: Жирные кислоты. - Ташкент: Издательство АН Узбекской ССР, 1963. - pp. 16, 23 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1038, 1573 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 856-857 [Russian]
  8. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 421 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru