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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/cm
3
)
Reactions of synthesis:
[
Ref.1
]
TiCl
4
+ 4Na → Ti + 4NaCl
Reactions:
[
Ref.1
,
Ref.2
,
Ref.3
]
Ti + 2F
2
→ TiF
4
Half-life:
39
22
Ti = 28.5 ms (β
+
(100%))
40
22
Ti = 52.4 ms (β
+
(100%))
41
22
Ti = 82.6 ms (β
+
(100%))
42
22
Ti = 208.14 ms (β
+
(100%))
43
22
Ti = 509 ms (β
+
(100%))
43m
22
Ti = 11.9 μs (internal transition (100%))
43n
22
Ti = 556 ns (internal transition (100%))
44
22
Ti = 59.1 y (electron capture (100%))
45
22
Ti = 184.8 min (β
+
(100%))
45m
22
Ti = 3 ms (internal transition (100%))
46
22
Ti = stable ( (isotopic abundance 8,25%))
47
22
Ti = stable ( (isotopic abundance 7,44%))
48
22
Ti = stable ( (isotopic abundance 73,72%))
49
22
Ti = stable ( (isotopic abundance 5,41%))
50
22
Ti = stable ( (isotopic abundance 5,18%))
51
22
Ti = 5.76 min ()
52
22
Ti = 1.7 min (β
-
(100%))
53
22
Ti = 32.7 s (β
-
(100%))
54
22
Ti = 1.5 s (β
-
(100%))
55
22
Ti = 1.3 s (β
-
(100%))
56
22
Ti = 200 ms (β
-
(100%))
57
22
Ti = 95 ms (β
-
(100%))
58
22
Ti = 55 ms (β
-
(100%))
59
22
Ti = 28.5 ms (β
-
(100%))
60
22
Ti = 22.2 ms (β
-
(100%))
61
22
Ti = 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 Δ
f
H
0
(298.15 K, kJ/mol):
0 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
0 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
30.6 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
25.1 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
15
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
410
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
474 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
180.2 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
24.4 (g)
References:
Горощенко Я.Г. Химия титана. - Киев: Наукова думка, 1970 [Russian]
Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 51 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 104 [Russian]
Фримантл М. Химия в действии. - Ч. 2. - М.: Мир, 1991. - pp. 167 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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