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Properties of substance:

hexadecanoic acid


Physical appearance:

colorless crystals

Empirical formula (Hill's system):

C16H32O2

Structural formula:

CH3(CH2)14COOH

CAS No: 57-10-3

Molar/atomic mass: 256.424

Melting point (°C):

62.5-64

Boiling point (°C):

339-356

Solubility (g/100 g of solvent):

amyl acetate: 16.6 (25°C)
water: 0.00046 (0°C)
water: 0.00072 (20°C)
water: 0.00083 (30°C)
water: 0.001 (45°C)
water: 0.0012 (60°C)
diethyl ether: 32.8 (25°C)
i-butanol: 14.7 (21°C)
methanol: 0.73 (0°C)
methanol: 5.37 (21°C)
methyl acetate: 7.81 (25°C)
methyl formate: 2.5 (25°C)
propanol: 2.06 (0°C)
propanol: 16 (21°C)
carbon tetrachloride: 0.473 (0°C)
ethanol 50%: 0.0625 (10°C)
ethanol 50%: 0.1 (20°C)
ethanol 50%: 0.4 (40°C)
ethanol abs.: 3.5 (10°C)
ethanol abs.: 11.65 (20°C)
ethanol abs.: 41.4 (40°C)
ethyl acetate: 10.7 (25°C)

LD50 (mg/kg):

57 (mice, intravenous)

    References:

    1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 763-765
    2. Stahl P.H., Wermuth C.G. Handbook of Pharmaceutical Salts: Properties, Selection, and Use. - Wiley-VCH, 2002. - pp. 300-301
    3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 1062-1063
    4. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1038, 1573
    5. Справочник химика. - Т.2. - Л.-М.: Химия, 1964. - pp. 856-857
    6. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советсткая энциклопедия, 1983. - pp. 421
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      © Collected Kiper Ruslan Anatolievich