Main page (Russian) Search in database (English)
Sitemap (Russian)

Properties of substance:

stearic acid


octadecanoic acid;

Physical appearance:

colorless crystals

Empirical formula (Hill's system):

C18H36O2

Structural formula:

CH3(CH2)16COOH

Molar/atomic mass: 284.48

Melting point (°C):

69.4-72

Boiling point (°C):

370

Destruction point (°C):

370

Solubility (g/100 g of solvent):

amyl acetate: 12.6 (25°C)
acetone: 4.96 (25°C)
benzene: 23
water: 0.034 (25°C)
water: 0.1 (37°C)
methylene chloride: 3.58 (25°C)
methylene chloride: 8.85 (30°C)
methylene chloride: 18.3 (35°C)
diethyl ether: 25.06 (25°C)
i-amyl alcohol: 10.41 (25°C)
methyl formate: 1.3 (25°C)
nitrobenzene: 1.26 (25°C)
carbon disulphide: 23.8 (25°C)
carbon tetrachloride: 11.42 (25°C)
toluene: 15.75 (25°C)
chloroform: 18.4 (25°C)
ethanol: 3.16 (20°C)
ethanol: 24.9 (40°C)
ethyl acetate: 7.94 (25°C)

Density:

0.9408 (20°C, d4)

Vapour pressure (Torr):

0.25 (159°C)
15 (232°C)
17 (238°C)
100 (291°C)

LD50 (mg/kg):

21.5 (rats, intravenous)
23 (mice, intravenous)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-462
    2. Dictionary of organic compounds. - vol.3, naphthacarbazole - zygadenine. - М.: ИИЛ, 1949. - pp. 637
    3. Jouyban A. Handbook of solubility data for pharmaceutacals. – CRC Press, 2010. - pp. 71
    4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 787-789
    5. Stahl P.H., Wermuth C.G. Handbook of Pharmaceutical Salts: Properties, Selection, and Use. - Wiley-VCH, 2002. - pp. 305
    6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1194, 1583
    7. Справочник химика. - Т.2. - Л.-М.: Химия, 1964. - pp. 952-953
    8. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советсткая энциклопедия, 1983. - pp. 541
      Your requests



      © Collected Kiper Ruslan Anatolievich