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Properties of substance:

chloranil

Synonyms:

2,3,5,6-tetrachloro-2,5-cyclohexadiene-1,4-dione
tetrachloro-1,4-benzoquinone

Group of substances:

organic

Physical appearance:

yellow prismatic crystals

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

C6Cl4O2

Structural formula as text:

C6Cl4O2

Molar/atomic mass: 245.88

Melting point (°C):

290

CAS №: 118-75-2

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
carbon disulphide: difficulty soluble [Ref.]
chloroform: sparingly soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: sparingly soluble (78°C) [Ref.]
ligroin: insoluble [Ref.]
water: 0.025 [Ref.]

Vapour pressure (Torr):

0.00035 (60.2°C)

Electrode potential:

O=C(CCl=CCl)2C=O + 2H+ + 2e- → HOC6Cl4OH, E = 0.74 V (water, 25°C)

LD50 (mg/kg):

4000 (, )

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-496
  2. The Merck Index 11th ed., Merck & Company, 1989. - pp. 319
  3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 337
  4. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 414-419 [Russian]
  5. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 116-117 [Russian]
  6. Справочник химика. - 2 изд., Т. 2. - Л.-М.: Химия, 1964. - pp. 1086-1087 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru