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Properties of substance:

vitamin B12



skc-file

Synonyms:

cyanocobalamin

Group of substances:

organic

Physical appearance:

red needles crystals

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

C63H88CoN14O14P

Molar/atomic mass: 1355.365

Melting point (°C):

300

CAS №: 68-19-9

Solubility (g/100 g of solvent):

1-butanol: soluble [Ref.]
acetic acid: soluble [Ref.]
acetone: insoluble [Ref.]
benzene: insoluble [Ref.]
chloroform: practically insoluble [Ref.]
diethyl ether: practically insoluble [Ref.]
dimethylformamide: soluble [Ref.]
dimethylsulfoxide: soluble [Ref.]
ethanol 90%: 0.56 (20°C) [Ref.]
hydrogen fluoride : soluble [Ref.]
methanol: soluble [Ref.]
phenol: soluble [Ref.]
pyridine: insoluble [Ref.]
water: 1.24 (20°C) [Ref.]

Hygroscopic:

yes

Numerical data:

Year of discovery: 1948

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 5ed. - 2003. - pp. 575
  2. Clarke's Analysis of Drugs and Poisons. - 4 ed. - London, 2011. - pp. 1173
  3. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1577
  4. Березовский В.М. Химия витаминов. - М.: Пищевая промышленность, 1973. - pp. 577-606 [Russian]
  5. Машковский М.Д. Лекарственные средства. - 13-е изд., Т. 2. - Харьков: Торсинг, 1997. - pp. 82-84 [Russian]
  6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 576-577 [Russian]
  7. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 384 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru