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Properties of substance:
1,2-hydrazinedicarboxamide
Group of substances:
organic
Physical appearance:
white crystals
Empirical formula (Hill's system for organic substances):
C
2
H
6
N
4
O
2
Structural formula as text:
H2NCONHNHCONH2
Melting point (°C):
245-246
CAS ¹: 110-21-4
Solubility (g/100 g of solvent):
diethyl ether
: insoluble [
Ref.
]
ethanol
: insoluble [
Ref.
]
water
: sparingly soluble [
Ref.
]
Density:
1.604 (17°C, g/cm
3
)
Reactions of synthesis:
Yeild 90-93%. [
Ref.1
]
N
2
H
4
* H
2
SO
4
+ 2KOCN → H
2
NCONHNHCONH
2
+ K
2
SO
4
Yeild 90-93%. [
Ref.1
]
N
2
H
4
* H
2
O + 2KOCN + 2CH
3
COOH → H
2
NCONHNHCONH
2
+ 2CH
3
COOK + H
2
O
Standard molar enthalpy (heat) of formation Δ
f
H (298 K, kJ/mol)
-498.7 (s) [
Ref.
]
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-302
Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 205
Inorganic Syntheses. - Vol. 4. - New York, Toronto, London, 1953. - pp. 26-28
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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