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Properties of substance:

2-propylpentanoic acid

Synonyms:

valproic acid
di-n-propylacetic acid

Group of substances:

organic

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

C8H16O2

Structural formula as text:

(CH3CH2CH2)2CHCOOH

Molar/atomic mass: 144.2114

Melting point (°C):

120-130

Boiling point (°C):

220

CAS №: 99-66-1

Solubility (g/100 g of solvent):

water: 0.13 (20°C) [Ref.]

Density:

0.9215 (0°C, d4)

Dissociation:

pKa (1) = 4.61 (25°C, water)

LD50 (mg/kg):

670 (rats, oral)
1098 (mice, oral)

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 7ed. - 2013. - pp. 200
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 1052
  3. Kleemann A. Pharmaceutical Substances. - 2000. - pp. 2156-2157
  4. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1559
  5. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 537
  6. Вартанян Р.С. Синтез основных лекарственных средств. - М.: МИА, 2004. - pp. 187 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru