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Properties of substance:
zinc chloride
skc-file
Group of substances:
inorganic
Physical appearance:
colorless trigonal crystals
Empirical formula (Hill's system for organic substances):
Cl
2
Zn
Structural formula as text:
ZnCl2
Molar/atomic mass: 136.315
Melting point (°C):
318
Boiling point (°C):
732
Solubility (g/100 g of solvent):
1-propanol
: soluble [
Ref.
]
acetic acid
: very soluble [
Ref.
]
acetone
: 43.5 (18°C) [
Ref.
]
ammonia liquid
: insoluble [
Ref.
]
chromyl chloride
: insoluble [
Ref.
]
diethyl ether
: very soluble [
Ref.
]
dimethylsulfoxide
: 30 (25°C) [
Ref.
]
ethanol
: 100 (12.5°C) [
Ref.
]
ethyl acetate
: soluble [
Ref.
]
ethylene carbonate
: 33 (40°C) [
Ref.
]
glycerol
: 50 (15.5°C) [
Ref.
]
hydrazine
: 8 (20°C) [
Ref.
]
hydrogen fluoride
: insoluble [
Ref.
]
methanol
: soluble [
Ref.
]
propylene carbonate
: 72 (25°C) [
Ref.
]
pyridine
: 2.6 (20°C) [
Ref.
]
selenium(IV) oxychloride
: 1.11 (25°C) [
Ref.
]
sulfur dioxide
: 0.16 (0°C) [
Ref.
]
water
: 208 (0°C) [
Ref.
]
water
: 272 (10°C) [
Ref.
]
water
: 367 (20°C) [
Ref.
]
water
: 408 (25°C) [
Ref.
]
water
: 435 (30°C) [
Ref.
]
water
: 453 (40°C) [
Ref.
]
water
: 471 (50°C) [
Ref.
]
water
: 495 (60°C) [
Ref.
]
water
: 549 (80°C) [
Ref.
]
water
: 614 (100°C) [
Ref.
]
Properties of solutions:
70% (wt.), solvent - water
Density (g/cm
3
) = 1.962 (20°)
77,16% (wt.), solvent - dimethyl sulfone
Density (g/cm
3
) = 2.1 (90°)
Hygroscopic:
yes
Numerical data:
Critical relative humidity (%): 3
Density:
2.91 (25°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-415.05 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-369.4 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
111.5 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
71.33 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
10.25
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
119.2
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-266 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
277 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
56.9 (g)
Enthalpy (heat) of solution Δ
sol
H (kJ)
-65.79 (s) [solvent: water, 18°C, 1 mol in 400 mol of water] [
Ref.
]
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-99
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1582-1583
Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 373-374 [Russian]
Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 532 [Russian]
Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 199 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 113 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 262, 793-794 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 256-257 [Russian]
Якименко Л.М. Производство хлора, каустической соды и неорганических хлорпродуктов. - М.: Химия, 1974. - pp. 572-578 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru