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Properties of substance:

xylitol



skc-file

Group of substances:

organic

Physical appearance:

colorless crystals

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

C5H12O5

Structural formula as text:

HOCH2(CHOH)3CH2OH

Molar/atomic mass: 152.14578

Melting point (°C):

94

Boiling point (°C):

216

Solubility (g/100 g of solvent):

1,4-dioxane: insoluble [Ref.]
1-butanol: 0.23 (20.01°C) [Ref.]
acetic acid: soluble [Ref.]
diethyl ether: insoluble [Ref.]
dimethylformamide: soluble [Ref.]
dimethylsulfoxide: soluble [Ref.]
ethanol: soluble [Ref.]
hexamethylphosphoric triamide: soluble [Ref.]
methanol: soluble [Ref.]
pyridine: soluble [Ref.]
sulfuric acid: soluble [Ref.]
water: 57.78 (20.12°C) [Ref.]
water: 60.3 (25.1°C) [Ref.]
water: 74.14 (50.09°C) [Ref.]
water: 76.1 (55.05°C) [Ref.]

Hygroscopic:

yes

Numerical data:

Sweetness potency сompared with a 2% (w/v) aqueous solution of sucrose: 0.85-1.2

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1118.5 (s)

LD50 (mg/kg):

17300 (white rats, oral)
12500 (white mice, oral)
25000 (rabbits, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-30
  2. Jouyban A. Handbook of solubility data for pharmaceutacals. – CRC Press, 2010. - pp. 78
  3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 186
  4. Каррер П. Курс органической химии. - 2-е изд., под ред. Колосова М.Н. - Л.: ГНТИХЛ, 1962. - pp. 405 [Russian]
  5. Крутошикова А., Угер М. Природные и синтетические сладкие вещества. - М.: Мир, 1988. - pp. 45-46 [Russian]
  6. Успехи химии. - 1976. - Т.45, №1. - pp. 106-137 [Russian]
  7. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 550 [Russian]
  8. Шефтель В.О. Полимерные материалы: Токсические свойства. - Л.: Химия, 1982. - pp. 140 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru