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Dicyanoacetylene, also
called carbon subnitride or but-2-ynedinitrile (IUPAC), is a
compound of
carbon and
nitrogen with
chemical formula C4N2. It has...
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regarded as the gas with the
second highest temperature of
burning (after
dicyanoacetylene).
Cyanogen is the
anhydride of oxamide: H2NC(O)C(O)NH2 → NCCN + 2 H2O...
- N + H 2 {\displaystyle {\ce {H-C#C-H + H-C#N -> H-C#C-C#N + H2}}}
Dicyanoacetylene, N≡C−C≡C−C≡N Diacetylene, H−C≡C−C≡C−H Cyanogen, N≡C−C≡N Hydrocyanic...
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various common substances (in 20 °C (68 °F) air at 1 atm. pressure):
Dicyanoacetylene, a
compound of
carbon and
nitrogen with
chemical formula C4N2 burns...
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melting point of
diamond 5100 K in cyanogen–dioxygen
flame 5516 K at
dicyanoacetylene (carbon subnitride)–ozone
flame 5650 K at Earth's
Inner Core Boundary...
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Butane (C4H10) Air 2,231 4,074
Cyanogen (C2N2)
Oxygen 4,525 8,177
Dicyanoacetylene (C4N2)
Oxygen 4,990 9,010
Ethane (C2H6) Air 1,955 3,551
Ethanol (C2H5OH)...
- (blast furnace) 1900 °C 3452 °F
Cyanogen (C2N2) in
oxygen 4525 °C 8177 °F
Dicyanoacetylene (C4N2) in
oxygen (highest
flame temperature) 4982 °C 9000 °F...
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cyanogen polymer, (NCCN)n
Paraisocyanogen - a
cyanogen polymer, (CNCN)n
dicyanoacetylene - C4N2 or N≡C−C≡C−C≡N, also
called carbon subnitride or but-2-ynedinitrile...
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oxidizer pair is that at
which the
gases achieve stable combustion. Oxy–
dicyanoacetylene 4,990 °C (9,000 °F) Oxy–acetylene 3,480 °C (6,300 °F)
Oxyhydrogen 2...
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relative to the “normal” nitrides.
Examples of
subnitrides include Dicyanoacetylene Na16Ba6N
features a nitride-centered
octahedral cluster of six barium...
