Nitrogen dioxide at −196 °C, 0 °C, 23 °C, 35 °C, and 50 °C. (NO 2) converts to the colorless dinitrogen tetroxide (N 2O 4) at low temperatures, and reverts to NO 2 at higher temperatures.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Dinitrogen tetroxide, commonly referred to as nitrogen tetroxide (NTO), and occasionally (usually among ex-USSR/Russian rocket engineers) as amyl, is the chemical compound N2O4. It is a useful reagent in chemical synthesis. It forms an equilibrium mixture with nitrogen dioxide. Its molar mass is 92.011 g/mol.
Dinitrogen tetroxide is a powerful oxidizer that is hypergolic (spontaneously reacts) upon contact with various forms of hydrazine, which has made the pair a common bipropellant for rockets.
^International Chemical Safety Card https://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=0930&p_version=2
^ abP.W. Atkins and J. de Paula, Physical Chemistry (8th ed., W.H. Freeman, 2006) p.999
Dinitrogentetroxide, commonly referred to as nitrogen tetroxide (NTO), and occasionally (usually among ex-USSR/Russian rocket engineers) as amyl, is the...
Dinitrogen trioxide (also known as nitrous anhydride) is the inorganic compound with the formula N2O3. It is a nitrogen oxide. It forms upon mixing equal...
2 °C (70.2 °F; 294.3 K). It forms an equilibrium with its dimer, dinitrogentetroxide (N2O4), and converts almost entirely to N2O4 below −11.2 °C (11.8 °F;...
(1949). "Existence of Nitrosyl Ions (NO+) in DinitrogenTetroxide and of Nitronium Ions (NO2+) in Liquid Dinitrogen Pentoxide". Nature. 164 (4167): 433. Bibcode:1949Natur...
acid (HNO3), 13% dinitrogentetroxide (N2O4) and 1–2% water. The color of red fuming nitric acid is due to the dinitrogentetroxide, which breaks down...
Mixed oxides of nitrogen (MON) are solutions of nitric oxide (NO) in dinitrogentetroxide/nitrogen dioxide (N2O4 and NO2). It may be used as an oxidizing agent...
propellant" usually mean the most common such propellant combination: dinitrogentetroxide plus hydrazine. In 1935, Hellmuth Walter discovered that hydrazine...
Apollo Lunar Module descent stage. It used Aerozine 50 fuel and dinitrogentetroxide (N 2O 4) oxidizer. This engine used a pintle injector, which paved...
high-performance oxidizers. Several practical liquid oxidizers (liquid oxygen, dinitrogentetroxide, and hydrogen peroxide) are available which have better specific...
mixture of 75% UDMH and 25% hydrazine hydrate. It is hypergolic with dinitrogentetroxide as oxidizer, and both can be stored as liquids at room temperature...
chlorinated nitroalkane produced by nitration of tetrachloroethylene with dinitrogentetroxide or fuming nitric acid. It's a powerful lachrymatory agent and pulmonary...
available from hydrazine thrusters (monopropellant or bipropellant with dinitrogentetroxide), the decreased toxicity makes nitrous oxide an option worth investigating...
cyanide poisoning (known as Amyl when used as a recreational drug) Dinitrogentetroxide, an oxidizer used in rocket fuel Amyl (drag queen), an Australian...
linseed oil can self-ignite Hydrazine is hypergolic with oxidants like dinitrogentetroxide or hydrogen peroxide, but not truly pyrophoric. Nonmetal hydrides...
(Cl−NO) and chlorine azide (Cl−N3), as well as interpseudohalogens like dinitrogen trioxide (O=N−NO2), nitric acid (HO−NO2) and cyanogen azide (N3−CN). Not...
partly or completely in the acid. The nitrogen dioxide (NO2) and/or dinitrogentetroxide (N2O4) remains dissolved in the nitric acid coloring it yellow or...
derivatives are used in two-component rocket fuels, often together with dinitrogentetroxide, N2O4. A 50:50 mixture by weight of hydrazine and UDMH was used in...
Titan II's oxidizer, dinitrogentetroxide, such that they spontaneously ignite upon contact with each other. The nitrogen tetroxide is kept in a second...
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