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Phosphoman-235

Phosphoman-235 is an organophosphonic acid compound exhibiting excellent sequestration of metal ions at stoichiometric concentration and threshold inhibition of metal salt precipitation at sub-stoichiometric concentrations. The ability of Phosphoman-235 to deflocculate or disperse solid particles combined with its temperature and hydrolytic stability makes it a versatile ingredient for applications requiring efficient metal ion control.

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Phosphorite

Phosphorite is a non-detrital sedimentary rock which contains high amounts of phosphate bearing minerals. The phosphate content of phosphorite is at least 15 to 20%, which is a large enrichment over the typical sedimentary rock content of less than 0.2%. The phosphate is present as fluorapatite Ca5(PO4)3F (CFA) typically in cryptocrystalline masses (grain sizes < 1 μm) referred to as collophane. It is also present hydroxyapatite Ca5(PO4)3OH, which is often dissolved from vertebrate bones and teeth, whereas fluorapatite can originate from hydrothermal veins. Other sources also include chemically dissolved phosphate minerals from igneous and metamorphic rocks. Phosphorite deposits often occur in extensive layers, which cumulatively cover tens of thousands of square kilometres of the Earth's crust. Phosphate rock is mined, beneficiated, and either solubilized to produce wet-process phosphoric acid, or smelted to produce elemental phosphorus. Phosphoric acid is reacted with phosphate rock to produce the fertilizer triple superphosphate or with anhydrous ammonia to produce the ammonium phosphate fertilizers. Elemental phosphorus is the base for furnace-grade phosphoric acid, phosphorus pentasulfide, phosphorus pentoxide, and phosphorus trichloride. Approximately 90% of phosphate rock production is used for fertilizer and animal feed supplements and the balance for industrial chemicals.

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Phosphorous Acid

Phosphorous acid is used as reducing agents in chemical industry because of easy oxidation property to phosphoric acid. It is used as antioxidant, stabilizer and chelating agent in plastic system,solvent in paint and as flame retardant on fibres. It is also used as a chemical intermediate in the production of pharmaceutical ingredients, pesticides, optical brighteners and in lubricant additives and adhesives.

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Phosphorus

Phosphorus is a multivalent nonmetal of the nitrogen group. It is a component of DNA, RNA, ATP, and also the phospholipids that form all cell membranes. It is thus an essential element for all living cells, and organisms tend to accumulate and concentrate it. Today, the most important commercial use of phosphorus-based chemicals is the production of fertilizers, to replace the phosphorus that plants remove from the soil. It is widely used to make organophosphorus compounds. It is also an important component in steel production, in the making of phosphor bronze, and in many other related products. Phosphates are utilized in the making of special glasses that are used for sodium lamps.

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Phosphorus Oxybromide

Phosphorus oxybromide is mainly used as inorganic phosphorus flame retardants, phosphorus-containing catalyst,etc.

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Phosphorus Pentachloride

Phosphorus pentachloride is one of the most important phosphorus chlorides. It finds use as a chlorinating reagent and in small quantities it is used as a catalyst.

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Phosphorus Pentoxide

Phosphorus pentoxide is the anhydride of phosphoric acid. It is a powerful desiccant. It is used in synthesis of phosphorus oxychloride, metaphosphoric acid. It is also used in manufacture of acrylate, surface active agent, in refining of drugs and sugar.Phosphorous pentoxide is used as dehydrating agent, desiccant, antistatic agent, analytical reagent.

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Phosphorus Trichloride

Phosphorus trichloride is a chemical compound of phosphorus and chlorine. It is an important industrial chemical, being used for the manufacture of organophosphorus compounds for a wide variety of applications. It is used in herbicides, insecticides, plasticisers, oil additives, and flame retardants. It is the precursor to triphenylphosphine for the Wittig reaction, and phosphite esters which may be used as industrial intermediates, or used in the Horner-Wadsworth-Emmons reaction, both important methods for making alkenes. It can be used to make trioctylphosphine oxide (TOPO), used as an extraction agent, although TOPO is usually made via the corresponding phosphine. It is also used directly as a reagent in organic synthesis. It is used to convert primary and secondary alcohols into alkyl chlorides, or carboxylic acids into acyl chlorides.

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Phthalonitrile

Phthalonitrile is an organic compound. It is a benzene derivative, containing two adjacent nitrile groups. Phthalonitrile is used as a precursor to phthalocyanine pigments, fluorescent brighteners, and photographic sensitizers.

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