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Properties of substance:

3,5-di-tert-butyl-4-hydroxytoluene

Synonyms:

BHT
butylated hydroxytoluene

Group of substances:

organic

Physical appearance:

white crystals

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

C15H24O

Structural formula as text:

((CH3)3C)2(CH3)C6H2OH

Molar/atomic mass: 220.35

Melting point (°C):

70

Boiling point (°C):

265

Solubility (g/100 g of solvent):

1,4-dioxane: 40.72 [Ref.]
1-butanol: 44.42 [Ref.]
acetone: soluble [Ref.]
benzene: soluble [Ref.]
ethanol: soluble [Ref.]
i-propanol: soluble [Ref.]
isopentane: soluble [Ref.]
linseed oil: soluble [Ref.]
methanol: soluble [Ref.]
methyl ethyl ketone: soluble [Ref.]
methylene chloride: 212.3 [Ref.]
petroleum ether: soluble [Ref.]
toluene: very soluble [Ref.]
water: insoluble [Ref.]

Density:

1.048 (g/cm3)

    Dissociation:

    pKa (1) = 12.33 (25°C, water)
    pKa (1) = 17.18 (25°C, methanol)

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

    -410 (s)

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

    -296.9 (g)

    LD50 (mg/kg):

    2450 (white rats, oral)
    2000 (mice, oral)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-41
    2. Jouyban A. Handbook of solubility data for pharmaceutacals. – CRC Press, 2010. - pp. 69, 72-73
    3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 430
    4. Schlager N., Weisblatt J., Newton D.E. Chemical Compounds. - 2006. - pp. 133-136
    5. The Merck Index 11th ed., Merck & Company, 1989. - pp. 238
    6. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.1. - Л.: Химия, 1976. - pp. 413-414 [Russian]
    7. Горбунов Б.Н., Гурвич Я.А., Маслова И.П. Химия и технология стабилизаторов полимерных материалов. - М.: Химия, 1981. - pp. 205-212 [Russian]
    8. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 183-184 [Russian]
    9. Полюдек-Фабини Р., Бейрих Т. Органический анализ. - Л.: Химия, 1981. - pp. 87 [Russian]
    10. Справочник химика. - Т. 6. - Л.: Химия, 1967. - pp. 246-247 [Russian]
    11. Стэлл Д.Р. Таблицы давления паров индивидуальных веществ. - М.: ИИЛ, 1949. - pp. 34 [Russian]
    12. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 50 [Russian]
    13. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 163 [Russian]
    14. Шефтель В.О. Полимерные материалы: Токсические свойства. - Л.: Химия, 1982. - pp. 96-97 [Russian]
    15. Энциклопедия полимеров. - Т.1, А-К. - М.: Советская энциклопедия, 1972. - pp. 187 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru