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Butyl Sorbate

Butyl Sorbate

Cadmium Bromide

Cadmium Bromide is a white to yellowish, odorless, crystalline solid which changes to a powder on exposure to dry air. Cadmium bromide is prepared by heating cadmium with bromine vapor, and also prepared by the treatment of dry cadmium acetate with glacial acetic acid and acetyl bromide. It is used in photography, engraving, printing and lithography.

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Cadmium Sulfide

Cadmium sulfide is an inorganic compound. It occurs in nature with two different crystal structures as the rare minerals greenockite and hawleyite, but is more prevalent as an impurity substituent in the similarly structured zinc ores sphalerite and wurtzite, which are the major economic sources of cadmium. As a compound that is easy to isolate and purify, it is the principal source of cadmium for all commercial applications. It is mainly used as a pigment. Cadmium sulfide and cadmium selenide are used in manufacturing of photoresistors sensitive to visible and near infrared light. In thin-film form, cadmium sulfide can be combined with other layers for use in certain types of solar cells. It was also one of the first semiconductor materials to be used for thin-film transistors (TFTs). However interest in compound semiconductors for TFTs largely waned after the emergence of amorphous silicon technology in the late 1970s. It is also used as chemical raw material for glass and ceramic industry.

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Caffeyl Alcohol

Caffeyl alcohol is an organic compound. It is related to catechol by attachment to allyl alcohol. It is the precursor to one of the three principal lignols.

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Calcium Carbide

Calcium Carbide is a chemical compound containing calcium and carbide.Pure form of calcium carbide is colorless, but most of the material is produced industrially.It is made in a kind of furnace called an electric arc furnace, which can reach temperatures much hotter than those that are obtained through simple combustion. The basic chemical method used to make the material has not changed since it was discovered in 1888.Calcium carbide reacts with nitrogen at high temperature to form calcium cyanamide.Calcium carbide is used in carbide lamps, used in the desulfurisation of iron, as a fuel in steelmaking to extend the scrap ratio to liquid iron,as a powerful deoxidizer at ladle treatment facilities.Calcium carbide is used in toy cannons such as the Big-Bang Cannon, as well as in bamboo cannons.

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Calcium Formate

Calcium formate, is the calcium salt of formic acid. It is used as a food additive. The mineral form is very rare and called formicaite. It is known from a few boron deposits. It may be produced synthetically by reacting calcium oxide or calcium hydroxide with formic acid.

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Calcium Hydride

Calcium hydride reacts vigorously with water liberating hydrogen gas. It is thus used as a drying agent. It is widely used as a desiccant for basic solvents such as amines and pyridine. It is also used to pre-dry solvents prior to the use of a more reactive desiccant.

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Calcium Nitrite

Calcium nitrite is used as hardening accelerator for cement and antifreeze inhibitor. Besides, it is also used as corrosion inhibitors for the pharmaceutical industry, organic synthesis and lubricants.

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Carbon Monoxide

In 1776, the French chemist de Lassone produced carbon monoxide by heating zinc oxide with coke. Carbon Monoxide is a colorless, odorless, and tasteless gas that is slightly less dense than air. Carbon Monoxide is conveniently produced in the laboratory by the dehydration of formic acid or oxalic acid, for example with sulfuric acid. Carbon Monoxide is present in small amounts in the atmosphere, chiefly as a product of volcanic activity but also from natural and man-made fires. Carbon Monoxide occurs dissolved in molten volcanic rock at high pressures in the Earth's mantle. It is toxic to humans and animals when encountered in higher concentrations, although it is also produced in normal animal metabolism in low quantities, and is thought to have some normal biological functions. Carbon Monoxide consists of one carbon atom and one oxygen atom, connected by a triple bond that consists of two covalent bonds as well as one dative covalent bond. It is the simplest oxocarbon, and isoelectronic with the cyanide ion and molecular nitrogen. Carbon monoxide is produced from the partial oxidation of carbon-containing compounds. Carbon Monoxide also binds to other molecules such as myoglobin and mitochondrial cytochrome oxidase. Carbon Monoxide may have severe adverse effects on the fetus of a pregnant woman. Carbon Monoxide is produced naturally by the human body as a signaling molecule. Carbon Monoxide is a nutrient for methanogenic bacteria,a building-block for acetylcoenzyme A. Carbon Monoxide has an indirect radioactive forcing effect by elevating concentrations of methane and tropospheric ozone through chemical reactions with other atmospheric constituents.

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