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Properties of substance:

1,3-dioxolan-2-one

Synonyms:

ethylene carbonate

Group of substances:

organic

Physical appearance:

white crystals

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

C3H4O3

Structural formula as text:

(CH2)2CO3

Molar/atomic mass: 88.06

Melting point (°C):

36

Boiling point (°C):

246.7

Decomposition temperature (°C):

246

CAS №: 94-49-1


Solubility (g/100 g of solvent):

acetic acid: very soluble [Ref.]
benzene: very soluble [Ref.]
chloroform: soluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: soluble [Ref.]
ethyl acetate: very soluble [Ref.]
water: 21.4 (20°C) [Ref.]

Properties of solutions:

9,9% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.968 (25°)
  Density (g/cm3) = 1.0264 (25°)
10% (wt.), solvent - water
  Index of refraction = 1.3406 (25°)
  Freezing point (°C) = -2.
15% (wt.), solvent - water
  Freezing point (°C) = 3.9
20% (wt.), solvent - water
  Freezing point (°C) = 9.6
30% (wt.), solvent - water
  Freezing point (°C) = 16.9
30,2% (wt.), solvent - water
  Index of refraction = 1.3568 (25°)
39,9% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 1.253 (25°)
41,2% (wt.), solvent - water
  Freezing point (°C) = 19.2
50,5% (wt.), solvent - water
  Freezing point (°C) = 20.7
59,8% (wt.), solvent - water
  Density (g/cm3) = 1.1836 (25°)
70,5% (wt.), solvent - water
  Freezing point (°C) = 21.7
74,8% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 1.704 (25°)
85% (wt.), solvent - water
  Freezing point (°C) = 23.
89,6% (wt.), solvent - water
  Freezing point (°C) = 24.3
89,9% (wt.), solvent - water
  Density (g/cm3) = 1.2954 (25°)
90,7% (wt.), solvent - water
  Index of refraction = 1.4137 (25°)
94% (wt.), solvent - water
  Freezing point (°C) = 26.6
97% (wt.), solvent - water
  Freezing point (°C) = 29.5
98,2% (wt.), solvent - water
  Freezing point (°C) = 31.8

Density:

1.32 (40°C, g/cm3)

Vapour pressure (Torr):

0.075 (37°C)

Permittivity (dielectric constant):

89.78 (40°C)

Dipole moment (D):

4.9

Viscosity (mPa·s):

1.9 (40°C)

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-682.8 (l) [Ref.]
-508.4 (g) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

133.9 (l) [Ref.]

LD50 (mg/kg):

9700 (, oral)
9500 (, oral)
8600 (, oral)
9500 (, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-23
  2. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-256
  3. Jow T.R., Xu K., Borodin O, Ue M. Electrolytes for Lithium and Lithium-Ion Batteries. - New York, Springer, 2014. - pp. 95
  4. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 270
  5. Токсикологический вестник. - 2010. - №5. - pp. 55-56 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru