A report on Sodium amide

Pfleger's synthesis of indigo dye.
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Inorganic compound with the formula NaNH2.

- Sodium amide
Pfleger's synthesis of indigo dye.

11 related topics with Alpha

Overall
Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+

Ammonia

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Compound of nitrogen and hydrogen with the formula NH3.

Compound of nitrogen and hydrogen with the formula NH3.

Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+
Ball-and-stick model of the tetraamminediaquacopper(II) cation, [Cu(NH3)4(H2O)2](2+)
Jabir ibn Hayyan
This high-pressure reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.
A train carrying Anhydrous Ammonia.
Liquid ammonia bottle
Household ammonia
Ammoniacal Gas Engine Streetcar in New Orleans drawn by Alfred Waud in 1871.
The X-15 aircraft used ammonia as one component fuel of its rocket engine
Anti-meth sign on tank of anhydrous ammonia, Otley, Iowa. Anhydrous ammonia is a common farm fertilizer that is also a critical ingredient in making methamphetamine. In 2005, Iowa used grant money to give out thousands of locks to prevent criminals from getting into the tanks.
The world's longest ammonia pipeline (roughly 2400 km long), running from the TogliattiAzot plant in Russia to Odessa in Ukraine
Hydrochloric acid sample releasing HCl fumes, which are reacting with ammonia fumes to produce a white smoke of ammonium chloride.
Production trend of ammonia between 1947 and 2007
Main symptoms of hyperammonemia (ammonia reaching toxic concentrations).
Ammonia occurs in the atmospheres of the outer giant planets such as Jupiter (0.026% ammonia), Saturn (0.012% ammonia), and in the atmospheres and ices of Uranus and Neptune.

When dry ammonia gas is heated with metallic sodium it converts to sodamide, NaNH2.

A 3D model of ethyne (acetylene), the simplest alkyne

Alkyne

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Alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.

Alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.

A 3D model of ethyne (acetylene), the simplest alkyne
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For example, phenylacetylene can be generated from styrene by bromination followed by treatment of the resulting of styrene dibromide with sodium amide in ammonia:

Azanide

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IUPAC-sanctioned name for the anion NH2-.

IUPAC-sanctioned name for the anion NH2-.

Examples include lithium amide, sodium amide, and potassium amide.

Soaps are weak bases formed by the reaction of fatty acids with sodium hydroxide or potassium hydroxide.

Base (chemistry)

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In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases, and Lewis bases.

In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases, and Lewis bases.

Soaps are weak bases formed by the reaction of fatty acids with sodium hydroxide or potassium hydroxide.
Ammonia fumes from aqueous ammonium hydroxide (in test tube) reacting with hydrochloric acid (in beaker) to produce ammonium chloride (white smoke).
Sodium hydroxide
Barium hydroxide

This occurs typically in compounds such as butyl lithium, alkoxides, and metal amides such as sodium amide.

Phenylacetylene

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Alkyne hydrocarbon containing a phenyl group.

Alkyne hydrocarbon containing a phenyl group.

In the laboratory, phenylacetylene can be prepared by elimination of hydrogen bromide from styrene dibromide using sodium amide in ammonia:

Ketone group

Ketone

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Functional group with the structure R2C=O, where R can be a variety of carbon-containing substituents.

Functional group with the structure R2C=O, where R can be a variety of carbon-containing substituents.

Ketone group
Representative ketones, from the left: acetone, a common solvent; oxaloacetate, an intermediate in the metabolism of sugars; acetylacetone in its (mono) enol form (the enol highlighted in blue); cyclohexanone, precursor to nylon; muscone, an animal scent; and tetracycline, an antibiotic.
Keto-enol tautomerism. 1 is the keto form; 2 is the enol.
The Haller-Bauer reaction occurs between a non-enolizable ketone and a strong amide base. In this prototypical example involving benzophenone, the tetrahedral intermediate expels phenyl anion to give benzamide and benzene as the organic products

With sodium amide resulting in C–C bond cleavage with formation of the amide RCONH2 and the alkane or arene R'H, a reaction called the Haller–Bauer reaction.

Indigo dye

Indigo dye

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Organic compound with a distinctive blue color.

Organic compound with a distinctive blue color.

Indigo dye
Indigo, historical dye collection of the Technical University of Dresden, Germany
Cake of indigo, about 2 cm
Tuaregs wearing the indigo-dyed tagelmust
Production of Indigo dye in a BASF plant (1890)
Indigo white (leuco-indigo)
Yarn dyed with indigo dye
Pot of freeze-dried indigo dye
Indigo, space-filling
Structure of Tyrian purple
Structure of indigo carmine.
Indigo color water pollution in Phnom Penh, Cambodia, 2005
Johannes Vermeer used natural ultramarine in his paintings, as in his Girl with a Pearl Earring. The expense was probably borne by his wealthy patron Pieter van Ruijven.
Isatis tinctoria, or woad, was the main source of blue dye in Europe from ancient times until the arrival of indigo from Asia and America. It was processed into a paste called pastel.
A woad mill in Thuringia, in Germany, in 1752. The woad industry was already on its way to extinction, unable to compete with indigo blue.
A Dutch tapestry from 1495 to 1505. The blue colour comes from woad.
Indigofera tinctoria, a tropical shrub, is the main source of indigo dye. The chemical composition of indigo dye is the same as that of woad, but the colour is more intense.

In this process, N-phenylglycine is treated with a molten mixture of sodium hydroxide, potassium hydroxide, and sodamide.

Cavities and channels in an electride

Electride

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Na + 6 NH3 → [Na(NH3)6]+,e−

Na + 6 NH3 → [Na(NH3)6]+,e−

Cavities and channels in an electride

2[Na(NH3)6]+e− → 2NaNH2 + 10NH3 + H2

Chichibabin reaction

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The Chichibabin reaction (pronounced ' (chē')-chē-bā-bēn) is a method for producing 2-aminopyridine derivatives by the reaction of pyridine with sodium amide.

Methylenecyclopropane

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Organic compound with the formula 2CCH2.

Organic compound with the formula 2CCH2.

Methylenecyclopropane can be synthesised via an intramolecular cyclisation reaction from methallyl chloride by treatment with a strong base such as sodium amide.