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Properties of substance:
potassium formate
Synonyms:
potassium methanoate
Group of substances:
inorganic
Physical appearance:
colorless rhombic crystals
Empirical formula (Hill's system for organic substances):
CHKO
2
Structural formula as text:
HCOOK
Molar/atomic mass: 84.116
Melting point (°C):
168.7
Decomposition temperature (°C):
170
Solubility (g/100 g of solvent):
diethyl ether
: insoluble [
Ref.
]
ethanol
: soluble [
Ref.
]
formic acid
: 57 (0°C) [
Ref.
]
formic acid
: 61.8 (19.5°C) [
Ref.
]
formic acid
: 68.9 (39.5°C) [
Ref.
]
formic acid
: 78.6 (60°C) [
Ref.
]
formic acid
: 108.8 (90°C) [
Ref.
]
water
: 331 (18°C) [
Ref.
]
water
: 657 (80°C) [
Ref.
]
Hygroscopic:
yes
Density:
1.91 (20°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H (298 K, kJ/mol)
-661.1 (s) [
Ref.
]
Enthalpy (heat) of fusion Δ
fus
H (kJ/mol)
11.8 (s) [
Ref.
]
Enthalpy (heat) of solution Δ
sol
H (kJ)
2.76 (s) [
Ref.
]
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-19
Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.43
Dictionary of Inorganic Compounds. - Vol. 1: Ac-C10, part 1. - Springer Science+Business Media Dordrecht, 1992. - pp. 415
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 132-133 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 179 [Russian]
Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 466 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 234-235 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru