Main page (Russian) Search in database (English)

Properties of substance:

methanesulfonic acid

Group of substances:

organic

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

CH4O3S

Structural formula as text:

CH3SO3H

Molar/atomic mass: 96.106

Melting point (°C):

20

CAS №: 75-75-2

Solubility (g/100 g of solvent):

benzene: 1.5 (27°C) [Ref.]
diethyl disulfide: 0.47 (27°C) [Ref.]
ethanol: soluble [Ref.]
hexane: insoluble [Ref.]
methylcyclopentane: insoluble [Ref.]
o-chlorotoluene: 0.23 (27°C) [Ref.]
toluene: 0.38 (27°C) [Ref.]
water: miscible [Ref.]

Density:

1.4844 (20°C, g/cm3)

Vapour pressure (Torr):

1 (122°C)
10 (167°C)

Dissociation:

H0 (1) = -7.86 (25°C)
H0 (1) = -3.75 (25°C, water)
pKa (1) = 0 (25°C, water)

Intrinsic gas-phase acidities ΔGacid (kJ/mol)

1318 (g) [Ref.]

LD50 (mg/kg):

708 (rats, oral)
2400 (mice, oral)

References:

  1. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 596
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 64
  3. Stahl P.H., Wermuth C.G. Handbook of Pharmaceutical Salts: Properties, Selection, and Use. - Wiley-VCH, 2002. - pp. 294-295
  4. The Merck Index. - 15th ed. - Royal Society of Chemistry, 2013. - pp. 1105
  5. Альберт А., Сержент Е. Константы ионизации кислот и оснований. - М.-Л.: Химия, 1964. - pp. 127 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 374 [Russian]
  7. Сьютер Ч. Химия органических соединений серы. - Ч. 1. - М.: ИИЛ, 1950. - pp. 110, 115 [Russian]
  8. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 216 [Russian]
  9. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 327 [Russian]

    Your requests if no data into database




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru