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Properties of substance:

lysergic acid



skc-file

Group of substances:

organic

Physical appearance:

leaflets crystals

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

C16H16N2O2

Molar/atomic mass: 268.31

Melting point (°C):

240

Decomposition temperature (°C):

240

Solubility (g/100 g of solvent):

benzene: sparingly soluble [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: soluble [Ref.]
pyridine: soluble [Ref.]
water: sparingly soluble [Ref.]

Numerical data:

Rf: 0.58

Dissociation:

pKBH+ (1) = 3.44 (25°C, water)
pKa (1) = 7.68 (25°C, water)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 308
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 305

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-322
  2. Clarke's isolation and identification of drugs. - 2ed. - London: Pharmaceutical press, 1986. - pp. 715
  3. Бабаян Э.А., Гаевский А.В., Бардин Е.В. Правовые аспекты оборота наркотических, психотропных, сильнодействующих, ядовитых веществ и прекурсоров. - М.: МЦФЭР, 2000. - pp. 147 [Russian]
  4. Краткая химическая энциклопедия. - Т. 2: Ж-Малоновый эфир. - М.: Советская энциклопедия, 1963. - pp. 963-964 [Russian]
  5. Орехов А.П. Химия алкалоидов. - М.: ИАН СССР, 1955. - pp. 631 [Russian]
  6. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 222-223 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru