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Properties of substance:

titanium

Group of substances:

inorganic

Physical appearance:

hexagonal metal

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

Ti

Structural formula as text:

Ti

Molar/atomic mass: 47.9

Melting point (°C):

1668

Boiling point (°C):

3330

Solubility (g/100 g of solvent):

acetic acid: insoluble [Ref.]
gallium: 0.027 (500°C) [Ref.]
lithium molten: 0.007 (700°C) [Ref.]
lithium molten: 0.014 (900°C) [Ref.]
magnesium fused: 0.003 (665°C) [Ref.]
magnesium fused: 0.0041 (670°C) [Ref.]
magnesium fused: 0.0126 (700°C) [Ref.]
magnesium fused: 0.014 (710°C) [Ref.]
magnesium fused: 0.064 (760°C) [Ref.]
mercury: 0.00001 [Ref.]
sodium fused: 0.001 (700°C) [Ref.]
water: insoluble (20°C) [Ref.]
water: reaction (100°C) [Ref.]

Numerical data:

Year of discovery: 1789
Superconducting temperature (K): 0.42

Density:

4.505 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1]
    TiCl4 + 4Na → Ti + 4NaCl

Reactions:

  1. [Ref.1, Ref.2, Ref.3]
    Ti + 2F2 → TiF4

Half-life:

3922Ti = 28.5 ms (β+ (100%))
4022Ti = 52.4 ms (β+ (100%))
4122Ti = 82.6 ms (β+ (100%))
4222Ti = 208.14 ms (β+ (100%))
4322Ti = 509 ms (β+ (100%))
43m22Ti = 11.9 μs (internal transition (100%))
43n22Ti = 556 ns (internal transition (100%))
4422Ti = 59.1 y (electron capture (100%))
4522Ti = 184.8 min (β+ (100%))
45m22Ti = 3 ms (internal transition (100%))
4622Ti = stable ( (isotopic abundance 8,25%))
4722Ti = stable ( (isotopic abundance 7,44%))
4822Ti = stable ( (isotopic abundance 73,72%))
4922Ti = stable ( (isotopic abundance 5,41%))
5022Ti = stable ( (isotopic abundance 5,18%))
5122Ti = 5.76 min ()
5222Ti = 1.7 min (β- (100%))
5322Ti = 32.7 s (β- (100%))
5422Ti = 1.5 s (β- (100%))
5522Ti = 1.3 s (β- (100%))
5622Ti = 200 ms (β- (100%))
5722Ti = 95 ms (β- (100%))
5822Ti = 55 ms (β- (100%))
5922Ti = 28.5 ms (β- (100%))
6022Ti = 22.2 ms (β- (100%))
6122Ti = 15 ms (β- (100%))

Vapour pressure (Torr):

0.1 (1946°C)
1 (2191°C)
10 (2490°C)
100 (2833°C)

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

0 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

0 (s)

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

30.6 (s)

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

25.1 (s)

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

15

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

410

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

474 (g)

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

180.2 (g)

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

24.4 (g)

References:

  1. Горощенко Я.Г. Химия титана. - Киев: Наукова думка, 1970 [Russian]
  2. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 51 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 104 [Russian]
  4. Фримантл М. Химия в действии. - Ч. 2. - М.: Мир, 1991. - pp. 167 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru