Main page (Russian)
Search in database (English)
Properties of substance:
tungsten(VI) oxytetrafluoride
Group of substances:
inorganic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
F
4
OW
Structural formula as text:
WOF4
Molar/atomic mass: 275.83
Melting point (°C):
106
Boiling point (°C):
185.9
Solubility (g/100 g of solvent):
benzene
: sparingly soluble [
Ref.
]
carbon disulphide
: sparingly soluble [
Ref.
]
carbon tetrachloride
: insoluble [
Ref.
]
chloroform
: soluble [
Ref.
]
ethanol abs.
: soluble [
Ref.
]
water
: reaction [
Ref.
]
Hygroscopic:
yes
Density:
5.07 (20°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1445 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
8
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
56
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1372 (g)
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-97
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 110-111 [Russian]
Фторидный процесс получения вольфрама. - М.: Наука, 1981. - pp. 41-43 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru