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Properties of substance:

4-nitrophenol

Synonyms:

p-nitrophenol

Group of substances:

organic

Physical appearance:

yellow monoclinic crystals

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

C6H5NO3

Structural formula as text:

O2NC6H4OH

Molar/atomic mass: 139.12

Melting point (°C):

114

Boiling point (°C):

279

Decomposition temperature (°C):

279

Solubility (g/100 g of solvent):

acetone: 205.08 (14°C) [Ref.]
benzene: 1.28 (14°C) [Ref.]
bromobenzene: 48.59 (80°C) [Ref.]
carbon disulphide: 0.05 (34.5°C) [Ref.]
carbon tetrachloride: 0.05 (14°C) [Ref.]
chloroform: 2.99 (14°C) [Ref.]
diethyl ether: 130.35 (34°C) [Ref.]
ethanol 96%: 160.9 (14°C) [Ref.]
ethanol abs.: 150.92 (14°C) [Ref.]
ethanol abs.: 189.5 (25°C) [Ref.]
ethyl acetate: 126.26 (14°C) [Ref.]
methanol: 240.45 (14°C) [Ref.]
pyridine: 71.2 (14°C) [Ref.]
toluene: 1.13 (14°C) [Ref.]
water: 1.6 (25°C) [Ref.]
water: 26.9 (90°C) [Ref.]

Density:

1.479 (20°C, g/cm3)
1.2809 (114°C, g/cm3)

Dissociation:

pKa (1) = 7.15 (25°C, water)
pKa (1) = 9.9 (25°C, dimethylsulfoxide)

LD50 (mg/kg):

380 (white mice, oral)

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 361-367
  2. Urbanski T. Chemistry and technology of explosives. - vol.1. - Warszawa, 1964. - pp. 474
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 230-231
  4. Альберт А., Сержент Е. Константы ионизации кислот и оснований. - М.-Л.: Химия, 1964. - pp. 126 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 432 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1212, 1274, 1333, 1396, 1404-1405 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1048-1049 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru