Main page (Russian) Search in database (English)

Properties of substance:

1,3,5-trimethylbenzene

Group of substances:

organic

Physical appearance:

liquid

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

C9H12

Structural formula as text:

C6H3(CH3)3

Molar/atomic mass: 120.192

Melting point (°C):

-44.72

Boiling point (°C):

164.7

CAS №: 108-67-8

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: soluble [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: 0.00482 (25°C) [Ref.]
water: 0.01943 (99.99°C) [Ref.]

Density:

0.86518 (20°C, d4)

Reactions:

  1. Yeild 50%. [Ref.1]
    (CH3)3C6H3 + HNO3 → (CH3)3C6H2NO2 + H2O
  2. Yeild 100%. [Ref.1]
    (CH3)3C6H3 + C6H5COONO2 → (CH3)3C6H2NO2 + C6H5COOH

Refractive index (nD):

1.4491 (20°C)

Vapour pressure (Torr):

1 (12.3°C)
10 (48.8°C)
40 (77.2°C)
100 (99.7°C)
400 (141.4°C)

Retention indices for gas chromatography:

967,1 (phase - DB-5, temperature-programmed conditions, 6 K/min)

Viscosity (mPa·s):

1.154 (20°C)

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

-16.08 (g)

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

385.81 (g)

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

150.35 (g)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

9.63

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

39.15

LD50 (mg/kg):

7000 (mice, oral)

Critical temperature (°C):

370.5

Critical pressure (MPa):

3.27

References:

  1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 5.103, 5.153
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 586
  3. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 175 [Russian]
  4. Соколов В.З., Харлампович Г.Д. Производство и использование ароматических углеводородов. - М.: Химия, 1980. - pp. 14 [Russian]
  5. Справочник нефтехимика. - Т.1, под ред. Огородникова С.К. - Л.: Химия, 1978. - pp. 478-479 [Russian]
  6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 774-775 [Russian]
  7. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 17-18 [Russian]

    What information do you need?




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru