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Home > Inorganic Chemistry > Inorganic Acid (Find 37 items)

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Inorganic Acid

Phosphoric Acid

(7664-38-2)
Mainly used in phosphate industry, electroplating, polishing industry, sugar industry, compound fertilizer, etc. In the food industry as a sour agent, yeast nutrient, etc.; mainly used as a catalyst for ethylene hydration to produce ethanol, high-purity phosphate, pharmaceutical manufacturing, and chemical reagents. Mainly used in the preparation of chemical fertilizers, detergents, food and feed additives, flame retardants and various phosphates; commonly used as analytical reagents; used for volume and colorimetric analysis, etc.; in the production of silicon flat tubes and integrated circuits, it is common Using aluminum film as electrode lead requires photolithography of aluminum film and phosphoric acid as an acid cleaning etchant. Can be formulated with acetic acid. It can be used as a sour agent and a nutrient for yeast. It can be used as a sour agent for seasoning, canned food, and refreshing drinks. It is used as a source of yeast nutrition during wine making to prevent the reproduction of miscellaneous bacteria.

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Hydrofluoric Acid

(7664-39-3)
Hydrogen fluoride is a chemical compound with the chemical formula HF. This colorless gas or liquid is the principal industrial source of fluorine, often as an aqueous solution called hydrofluoric acid. It thus is the precursor to many important compounds including pharmaceuticals and polymers (e.g. Teflon). HF is widely used in the petrochemical industry as a component of superacids. Hydrogen fluoride boils near room temperature, much higher than other hydrogen halides. Unlike other hydrogen halides, HF is lighter than air.Hydrogen fluoride is a highly dangerous gas, forming corrosive and penetrating hydrofluoric acid upon contact with moisture. The gas can also cause blindness by rapid destruction of the corneas.French chemist Edmond Frémy (1814–1894) is credited with discovering anhydrous hydrogen fluoride while trying to isolate fluorine, although Carl Wilhelm Scheele prepared hydrofluoric acid in large quantities in 1771, and this acid was known in the glass industry before then.

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Phosphorous Acid

(13598-36-2)
Phosphorous acid is the compound described by the formula H3PO3. This acid is diprotic (readily ionizes two protons), not triprotic as might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds.

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Phosphinic Acid

(6303-21-5)
Used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. Its main use is for electrodless plating. 1. Used as a reducing agent for electroless plating; 2. Used to prevent the discoloration of phosphoric acid resin; 3. Used as a catalyst and refrigerant for esterification; 4. Used to make hypophosphite, its sodium salt, manganese salt, iron salt, etc. are usually used as tonic drugs; 5. Used in medicine and as a reducing agent, as a reagent for the determination of arsenic and tellurium and the separation of tantalum and niobium.

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Hydrochloric Acid

(7647-01-0)
In the production of chlorides, refining ore in the production of tin and tantalum, for the neutralization of basic systems, as laboratory reagent, hydrolyzing of starch and proteins in the preparation of various food products, pickling and cleaning of metal products, as catalyst and solvent in organic synthesis, for oil- and gas-well treatment, in removing scale from boilers and heat-exchange equipment, pharmaceutic aid (acidifier).

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Sulfuric Acid

(7664-93-9)
Sulfuric acid (alternative spelling sulphuric acid) is a highly corrosive strong mineral acid with the molecular formula H2SO4 and molecular weight 98.079 g/mol. It is a pungent-ethereal, colorless to slightly yellow viscous liquid that is soluble in water at all concentrations. Sometimes, it is dyed dark brown during production to alert people to its hazards. The historical name of this acid is oil of vitriol. Sulfuric acid is a diprotic acid and shows different properties depending upon its concentration. Its corrosiveness on other materials, like metals, living tissues or even stones, can be mainly ascribed to its strong acidic nature and, if concentrated, strong dehydrating and oxidizing properties. It is also hygroscopic, readily absorbing water vapour from the air. Sulfuric acid at a high concentration can cause very serious damage upon contact, since not only does it cause chemical burns via hydrolysis, but also secondary thermal burns through dehydration. It can lead to permanent blindness if splashed onto eyes and irreversible damage if swallowed. Sulfuric acid has a wide range of applications including in domestic acidic drain cleaners, as an electrolyte in lead-acid batteries and in various cleaning agents. It is also a central substance in the chemical industry. Principal uses include mineral processing, fertilizer manufacturing, oil refining, wastewater processing, and chemical synthesis. It is widely produced with different methods, such as contact process, wet sulfuric acid process, lead chamber process and some other methods.

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Polyphosphoric Acids

(8017-16-1)
It is used in the synthesis of ofloxacin, flumequine and ketotifen and other pharmaceutical products. It is used as a catalyst in the petrochemical industry; it is used in organic synthesis and as a substitute for orthophosphoric acid.

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Chlorosulfonic Acid

(7790-94-5)
Chlorosulfuric acid (IUPAC name: sulfurochloridic acid) is the inorganic compound with the formula HSO3Cl. It is also known as chlorosulfonic acid, being the sulfonic acid of chlorine. It is a distillable, colorless liquid which is hygroscopic and a powerful lachrymator.

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Hydrogen Sulfide

(7783-06-4)
Hydrogen sulfide (H2S) is one of the most important compounds of sulfur. It is a colorless gas with a foul, rotten-egg odor. It is well known in school laboratories when sulfur is being studied.
hydrogen sulfide (H2S) is known for its“rotten egg” odor and is a deadly poisonous gas even at 100 ppm of air. The laboratory reaction is FeS + 2HCl → H2S↑ + FeCl2. Hydrogen sulfide is used as an analyticalreagent and in the manufacture of heavywater. It occurs in natural gas and sewer gas.It is formed by the reaction of a metal sulfidewith dilute mineral acid, and in petroleumrefining. To produce elemental sulfur and sulfuric acid; in manufacture of heavy water and other chemicals; in metallurgy; as analytical reagent. Hydrogen sulfide has relatively few commercial uses. It is used to produce elementalsulfur, sulfuric acid, and heavy water for nuclear reactors.

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SILICOTUNGSTIC ACID HYDRATE

(12027-43-9)
Reactant for Preparation of silicotungstate butylmethylimidazolium bromide ionic liquid hybrid material, Synthesis of SnII-substituted Keggin-type polyoxometalates as photocatalysts, Preparation of silicotungstic acid/organically modified silane proton-conducting membranes3, Preparation of charge transfer compounds with Keggin anions, Preparation of catalyst for catalytic liquid-phase oxidation of xylene

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Inorganic acid, also known as mineral acid, is a general term for acids in inorganic compounds. Inorganic acids are generally inorganic compounds that can dissociate hydrogen ions. A compound consisting of hydrogen and a non-metallic element or group. According to the composition, inorganic acids can be divided into oxyacids, anaerobic acids, complex acids, mixed acids, superacids, etc. According to the degree of dissociation, they can be divided into strong acids and weak acids, and according to the ionizable hydrogen ion The number is divided into monobasic acid, dibasic acid and polybasic acid.

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