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Properties of substance:

xylitol




skc-file

Physical appearance:

colorless crystals

Empirical formula (Hill's system):

C5H12O5

Structural formula:

HOCH2(CHOH)3CH2OH

Molar/atomic mass: 152.14578

Melting point (°C):

94

Boiling point (°C):

216

Solubility (g/100 g of solvent):

1-butanol: 0.23 (20.01°C) [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.]
hexamethylphosphoric triamide: soluble [Ref.]
dimethylsulphoxide: soluble [Ref.]
dimethylformamide: soluble [Ref.]
1,4-dioxane: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
methanol: soluble [Ref.]
pyridine: soluble [Ref.]
sulfuric acid: soluble [Ref.]
acetic acid: soluble [Ref.]
ethanol: soluble [Ref.]

Gigroscopic:

yes

Properties:

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 (, 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
    5. Крутошикова А., Угер М. Природные и синтетические сладкие вещества. - М.: Мир, 1988. - pp. 45-46
    6. Успехи химии. - 1976. - Т.45, №1. - pp. 106-137
    7. Химическая энциклопедия. - Т.2. - М.: Советская энциклопедия, 1990. - pp. 550
    8. Шефтель В.О. Полимерные материалы: Токсические свойства. - Л.: Химия, 1982. - pp. 140
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru