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Properties of substance:

benzidine

Synonyms:

4,4'-diaminobiphenyl

Group of substances:

organic

Physical appearance:

crystals

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

C12H12N2

Structural formula as text:

H2NC6H4C6H4NH2

Molar/atomic mass: 184.237

Melting point (°C):

127.5-128

Boiling point (°C):

401.7

CAS №: 92-87-5

Solubility (g/100 g of solvent):

diethyl ether: sparingly soluble [Ref.]
dimethylsulfoxide: sparingly soluble [Ref.]
ethanol abs.: 7.68 (20°C) [Ref.]
quinoline: 43.1 (20°C) [Ref.]
water: 0.036 (24°C) [Ref.]
water: 0.94 (100°C) [Ref.]

Numerical data:

Year of discovery: 1845

LD50 (mg/kg):

309 (rats, oral)
214 (mice, oral)
110 (mice, intraperitoneal)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-38
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 221
  3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 370
  4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 706
  5. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 840
  6. Краткая химическая энциклопедия. - Т. 1: А-Е. - М.: Советская энциклопедия, 1961. - pp. 392 [Russian]
  7. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 120-121 [Russian]
  8. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1525 [Russian]
  9. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 257 [Russian]
  10. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 68-69 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru