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Properties of substance:
oxalic acid dihydrate
Group of substances:
organic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
C
2
H
6
O
6
Structural formula as text:
(COOH)2 * 2H2O
Molar/atomic mass: 126.065
Melting point (°C):
101.5
Solubility (g/100 g of solvent):
benzene
: insoluble [
Ref.
]
chloroform
: insoluble [
Ref.
]
diethyl ether
: 1.37 (15°C) [
Ref.
]
diethyl ether
: 1.47 (25°C) [
Ref.
]
ethanol
: 30 (15°C) [
Ref.
]
nickel tetracarbonyl
: insoluble [
Ref.
]
petroleum ether: insoluble [
Ref.
]
water
: 9.5 (15°C) [
Ref.
]
water
: 0.182 (23°C) [
Ref.
]
water
: 120 (90°C) [
Ref.
]
Reactions:
[
Ref.1
]
K
2
Cr
2
O
7
+ 7H
2
C
2
O
4
+ 2K
2
C
2
O
4
→ 2K
3
[Cr(C
2
O
4
)
3
]*3H
2
O + 6CO
2
+ H
2
O
References:
Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 25
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 196 [Russian]
Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 402 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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