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Properties of substance:

vitamin D2



skc-file

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

C28H44O

Molar/atomic mass: 396.648

Melting point (°C):

117

CAS №: 50-14-6

Solubility (g/100 g of solvent):

acetone: 8.8 (7°C) [Ref.]
acetone: 31.6 (26°C) [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: 95 (20°C) [Ref.]
ethyl acetate: 34.4 (26°C) [Ref.]
water: insoluble [Ref.]

Numerical data:

Year of discovery: 1931

LD50 (mg/kg):

10 (rats, oral)
23.7 (mice, oral)

Spectral properties of the substance:

Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 265 (18)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-520
  2. Kleemann A. Pharmaceutical Substances. - 2000. - pp. 767
  3. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1578
  4. Березовский В.М. Химия витаминов. - М.: Пищевая промышленность, 1973. - pp. 98 [Russian]
  5. Лужников Е.А., Суходолова Г.Н., Остапенко Ю.Н., Лисовик Ж.А., Калянова Н.А., Казачков В.И. Клинико-токсикологическая характеристика отравления витамином Д / Токсикологический вестник. - 1995. - №3. - pp. 13-17 [Russian]
  6. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 385-386 [Russian]
  7. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 101 [Russian]
  8. Яхимович Р.И. Химия витаминов D. - Киев: Наукова думка, 1978 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru