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Properties of substance:

benzoin

Synonyms:

2-hydroxy-1,2-diphenylethanone

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

C14H12O2

Structural formula as text:

C6H5CH(OH)COC6H5

Molar/atomic mass: 212.2439

Melting point (°C):

137

Boiling point (°C):

344

CAS №: 579-44-2

Solubility (g/100 g of solvent):

acetic acid: very soluble (118°C) [Ref.]
carbon tetrachloride: 0.2 (20°C) [Ref.]
chloroform: 4 (20°C) [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: soluble (78°C) [Ref.]
formic acid 95%: 3.06 (18.5°C) [Ref.]
pyridine: 20.2 (room temperature) [Ref.]
water: 0.03 (room temperature) [Ref.]

Density:

1.31 (20°C, g/cm3)

Vapour pressure (Torr):

12 (194°C)
768 (344°C)

LD50 (mg/kg):

10000 (rats, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-40
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 380
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 748
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 957
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 129 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1037, 1095 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru