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Properties of substance:

MTBE

Synonyms:

methyl-t-butyl ether
methyl tert-butyl ether

Group of substances:

organic

Physical appearance:

colorless liquid

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

C5H12O

Structural formula as text:

(CH3)3COCH3

Molar/atomic mass: 88.148

Melting point (°C):

-108.6

Boiling point (°C):

55

Solubility (g/100 g of solvent):

diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
water: 8.37 (0°C) [Ref.]
water: 4.8 (20°C) [Ref.]
water: 3.36 (25°C) [Ref.]
water: 2.63 (35°C) [Ref.]
water: 1.67 (70°C) [Ref.]

Density:

0.7405 (20°C, g/cm3)

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

-313.6 (l)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

265.3 (l)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

187.5 (l)

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

-283.7 (g)

LD50 (mg/kg):

5000 (rats, oral)
3665 (mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-30, 8-109
  2. Schlager N., Weisblatt J., Newton D.E. Chemical Compounds. - 2006. - pp. 459-463
  3. The Merck Index 11th ed., Merck & Company, 1989. - pp. 951
  4. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 180
  5. Корольченко А.Я., Корольченко Д.А. Пожаровзрывоопасность веществ и материалов и средства их тушения. - 2 изд, Ч.2. - М.: Ассоциация Пожнаука, 2004. - pp. 85 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 421 [Russian]
  7. Токсикологический вестник. - 1998. - №4. - pp. 42 [Russian]
  8. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 59 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru