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Properties of substance:

piperine

Group of substances:

organic

Physical appearance:

colorless monoclinic crystals

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

C17H19NO3

Structural formula as text:

CH2O2C6H3(CH=CH)2CON(CH2CH2)2CH2

Molar/atomic mass: 285.35

Melting point (°C):

129

CAS №: 94-62-2

Solubility (g/100 g of solvent):

1-propanol: 2.94 (9.5°C) [Ref.]
benzene: soluble [Ref.]
chloroform: 58.81 (25°C) [Ref.]
diethyl ether: 3.9 (20°C) [Ref.]
ethanol: 2.9 (9.5°C) [Ref.]
ethanol: 8.5 (20°C) [Ref.]
ethanol: 29 (60°C) [Ref.]
methanol: 4.4 (9.5°C) [Ref.]
pyridine: 22.46 (20°C) [Ref.]
pyridine 50% aq.: 11.39 (20°C) [Ref.]
quinoline: 13.66 (20°C) [Ref.]
trichloroethylene: 9.83 (15°C) [Ref.]
water: 0.04 (18°C) [Ref.]

Density:

1.193 (20°C, g/cm3)

Dissociation:

pKBH+ (1) = 0 (25°C, water)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-462
  2. Medicine in Drug Discovery. - 2020.- Vol. 7. - pp. 100027-1 - 100027-96 [DOI: 10.1016/j.medidd.2020.100027]
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 769
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 1075
  5. Каррер П. Курс органической химии. - 2-е изд., под ред. Колосова М.Н. - Л.: ГНТИХЛ, 1962. - pp. 1068 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1574-1575 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 882-883 [Russian]
  8. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 103 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru