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Hydroxylamine is an inorganic compound. It is used to prepare oximes, an important functional group. It is also an intermediate in biological nitrification. Hydroxylamine and its salts are commonly used as reducing agents in a myriad of organic and inorganic reactions. They can also act as antioxidants for fatty acids. Some non-chemical uses include removal of hair from animal hides and photography developing solutions. It is used as an irreversible inhibitor of the oxygen-evolving complex of photosynthesis on account of its similar structure to water. In the semiconductor industry, hydroxylamine is often a component in the "resist stripper" which removes photoresist after lithography.

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Hydroxylammonium Chloride

Hydroxylammonium chloride is the hydrochloric acid salt of hydroxylamine. It is a biological intermediate in the nitrification and in the anammox which are important in the nitrogen cycle in soil and in wastewater treatment. It is used in organic synthesis for preparation of oximes and hydroxamic acids from carboxylic acids, N- and O- substituted hydroxyamines, and addition reactions of carbon-carbon double bond. In surface treatments, it is used in the preparation of anti-skinning agents, corrosion inhibitors, and cleaner additives. It is also a starting material for pharmaceuticals and agrochemicals manufacturing. In the rubber and plastics industries, it is an antioxidant, vulcanization accelerator, and radical scavenger. It is also used as a fixative for textile dyes, auxiliary in some dyeing processes, as a metal extraction and flotation aid, as an antioxidant in fatty acids and soaps, and as a color stabilizer and emulsion additive in color films.

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Hydroxyphosphono-Acetic Acid

Hydroxyphosphono-acetic acid is mainly used as cathode corrosion inhibitor in oilfield refill water system in fields such as steel & iron, petrochemical, power plant and medical industries.

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Hydroxypropyl Guar Gum

Hydroxypropyl Guar Gum is used as an inert ingredient as a thickener in pesticide formulations applied to growing crops. It is used as an indirect food additive and as a sizing agent in textiles and in papers.

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Hydroxypropyl Methylcellulose

Hydroxypropyl methylcellulose is a semisynthetic, inert, viscoelastic polymer used as an ophthalmic lubricant, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products. As a food additive, hydroxypropyl methylcellulose is an emulsifier, thickening and suspending agent, and an alternative to animal gelatin. It is used primarily in construction materials like tile adhesives and renders where it is used as a rheology modifier and water retention agent. Hydroxypropyl methylcellulose solutions were patented as a semisynthetic substitute for tear-film. In addition to its use in ophthalmic liquids, hydroxypropyl methylcellulose has been used as an excipient in oral tablet and capsule formulations, where, depending on the grade, it functions as controlled release agent to delay the release of a medicinal compound into the digestive tract. It is also used as a binder and as a component of tablet coatings. Other applications include paints, cosmetics and detergents.

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Hydroxypropylmethylcellulose acetate succinate

Hydroxypropylmethylcellulose acetate succinate is used in preparation of drugs.

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