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Gallagic Acid

Gallagic acid is a polyphenolic chemical compound that can be found in the ellagitannins, a type of tannin, found in Punica granatum. It is a building block of the corresponding tannin punicalagins, punicalin, punicacortein C and 2-O-galloyl-punicalin.

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Gallium

In 1871, existence of gallium was first predicted by Russian chemist Dmitri Mendeleev, who named it "eka-aluminium" on the basis of its position in his periodic table. It was discovered spectroscopically by Paul Emile Lecoq de Boisbaudran in 1875 by its characteristic spectrum in an examination of a sphalerite sample. It is the only metal, except for mercury, caesium, and rubidium, which can be liquid near room temperatures; this makes possible its use in high-temperature thermometers. In semiconductors, the major-use compound is gallium arsenide used in microwave circuitry and infrared applications. It is also used in alloys and fuel cells. Gallium is not known to be essential in biology, but because of the biological handling of gallium's primary ionic salt gallium(III) as though it were iron(III), the gallium ion localizes to and interacts with many processes in the body in which iron(III) is manipulated. As these processes include inflammation, which is a marker for many disease states, several gallium salts are used, or are in development, as both pharmaceuticals and radiopharmaceuticals in medicine.

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Gallium Nitrate Industrial Grade 99%

Gallium nitrate is in hydrate compound normally, like nonahydrate, octahydrate and so on. They are both white crystal powder and tend to dissolve in water. Gallium metal, gallium hydroxide or gallium(III) oxide is the raw material for them. Gallium(III) nitrate hydrate turns into anhydrous compound by vacuum drying  and drying for 48 hour at 40℃.  Their storage should avoid reducing agent and oxidizable material. They melt at 65℃. It hydrolyzes once dissolving in water, which tend to dissolve in ethyl alcohol too.

Gallium Nitrate

CAS No.: 13494-90-1 EC No.:236-815-5 Molecular Formula:Ga(NO3)3.nH2O Molecular Weight:255.73
Melting Point:110℃ UN 1477 5.1/PG 3    

 

CAS No.:69365-72-6 EC No.:236-815-5 Molecular Formula:GaN3O9.xH2O Molecular Weight:255.74
Melting Point:230℃    

 

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Gallium Oxide

Gallium Oxide is a chemical compound used in vacuum deposition and as part of the manufacturing of semiconductor devices. It is important to accurately determine the optical functions as these are essential for device simulations and improvement in material preparation.

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Gallium Trichloride

Gallium Trichloride is the chemical compound. It is colourless and soluble in virtually all solvents, which is unusual for a metal halide. It is the main precursor to most derivatives of gallium and a reagent in organic synthesis. Gallium trichloride can be prepared from the elements, heating gallium metal in a stream of chlorine, and purifying the product by sublimation under vacuum.It can also be prepared from the gallium oxide by heating with thionyl chloride.

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Gallium Trichloride Industrial Grade 99%

Gallium trichloride  is colorless needle-like hygroscopicity crystal, which fume when contact with moist in air and hydrolyze. It reacts violently in air. GaCl3 is covalent minor metal salt, which is bipolymer when its gas is at about 270℃. It tend to dissolve in water and emit a lot of heat. GaCl3 also tend to dissolve in ether, benzene and other organic solvents, when dissolve in liquid ammonia, it forms ammonia complex. When temperature is less than the heating point, gallium(III) chloride tend to sublime in vacuum. Gallium metal or gallium(III) oxide is the raw material.

Gallium Trichloride

CAS No.:13450-90-3 EC No.:236-610-0 Molecular Formula:GaCl3 Molecular Weight:176.08
Density:2.47 Melting Point:77.9℃ Boiling Point:201.3℃ UN 3260 8/PG 2

Applications

Gallium trichloride is catalyst for organic reactions.

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Gamasol®

Gamasol® is a granular pigment powder and anionic dispersant easily dispersed in water for applications such as coloring of construction materials from cement, seeds, fertilizers, art colors, detergents, soaps and other water-based applications.

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