Other
Other inorganic acids and other inorganic oxygen compounds of non-metals. > Other inorganic acids: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 2811.19.00.00
33% Hydrobromic Acid in Acetic Acid
A 33% hydrobromic acid solution in glacial acetic acid is a chemically defined inorganic acid, but the solvent is not water. Under Chapter Note 1(c), it qualifies if the acetic acid is a normal and necessary method of putting up for safety or transport and does not render the product suitable for specific use.
2811.19.0048% Hydrobromic Acid Solution
A 48% aqueous solution of hydrogen bromide gas (HBr) is a chemically defined inorganic acid in water. It is classified under this tariff item as an other inorganic acid of a non-metal, per Chapter Note 1(b).
2811.19.00Anhydrous Hydrobromic Acid Gas Cylinder
Anhydrous HBr gas in steel cylinders is a chemically defined inorganic acid in gaseous form. It is classified under this tariff item as an other inorganic acid of a non-metal, as it is not excluded by Chapter Notes.
2811.19.00Anhydrous Sulfamic Acid Flakes
Anhydrous sulfamic acid flakes are a dry, crystalline form of sulfamic acid (H3NSO4) used for analytical chemistry and laboratory reagent applications. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a separate chemically defined compound of sulfur, nitrogen, hydrogen and oxygen.
2811.19.00Antimonic Acid Colloidal
Colloidal antimonic acid (HSbO3·nH2O) used in flame retardants and catalysts. It is an inorganic oxygen compound of a non-metal, chemically defined despite its colloidal form, and classifiable under this tariff item as an 'other inorganic acid'.
2811.19.00Arsenic Acid Anhydride Powder
Anhydrous arsenic acid powder, also known as arsenic pentoxide when dehydrated, is a chemically defined inorganic compound used in electronics etching. It is classified as an inorganic acid of a non-metal under Chapter 28, meeting the criteria of Note 1(a) to Chapter 28.
2811.19.00Arsenic Acid for Flame Retardant Synthesis
Purified arsenic acid used for synthesizing flame retardants in plastics is a chemically defined inorganic acid. It is not a finished flame retardant product, so it falls under this tariff item as an other inorganic acid of a non-metal.
2811.19.00Arsenic Acid H3AsO4 (99% Purity)
Arsenic acid (H3AsO4) at 99% purity is a colorless to white crystalline solid used in chemical synthesis and as a reagent. It is a separate chemically defined compound of a non-metal, qualifying under this tariff item.
2811.19.00Arsenic Acid Solution 70%
Arsenic acid (H3AsO4) 70% solution used in wood preservatives and glass manufacturing. It is a chemically defined inorganic oxyacid of a non-metal, and qualifies under this tariff item as an 'other inorganic acid'.
2811.19.00Arsenic Pentoxide Solution (50% Aqueous)
An aqueous solution of arsenic pentoxide (As2O5), equivalent to arsenic acid, is used in glass manufacturing and wood preservation. As a solution of a chemically defined inorganic compound in water, it falls under this tariff item per Chapter Note 1(b).
2811.19.00Arsine Gas
Arsine gas (AsH3) is a highly toxic, flammable gas used in microelectronics for doping semiconductor materials. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a hydride of the nonmetal arsenic and meets the Chapter 28 definition of a separate chemically defined compound.
2811.19.00Battery-Grade Arsenic Acid Electrolyte
Ultra-pure arsenic acid for specialty battery electrolytes is a chemically defined inorganic acid. It is not a finished electrolyte, so it is classified under this tariff item as an other inorganic acid.
2811.19.00Boric Acid Powder Technical Grade
Technical grade boric acid (H3BO3) powder used in ceramics, herbicides, and antiseptics. Although heading 28.10 specifically covers boric acid, this product may fall under this tariff item if it is a form not elsewhere specified, as an 'other inorganic acid'.
2811.19.00Carbonyl Sulfide
Carbonyl sulfide (COS) is a colorless, poisonous gas used as a pesticide fumigant and chemical intermediate. It is classified under tariff item 2811.19.00 as an 'other inorganic oxygen compound of non-metals' because Chapter 28 Note 2 specifically lists carbon oxysulphide as classifiable in this chapter.
2811.19.00Diphosphorus Tetroxide
Diphosphorus tetroxide (P2O4) is a white hygroscopic solid used as a phosphorylating agent in chemical synthesis. It is classified under tariff item 2811.19.00 as an 'other inorganic oxygen compound of non-metals' because it is a separate chemically defined oxide of phosphorus, not specifically named elsewhere in Chapter 28.
2811.19.00Food Grade Sulfamic Acid
Food grade sulfamic acid is an FCC-grade product approved for use as a processing aid in food manufacturing, such as beer line cleaning. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a separate chemically defined compound meeting food purity standards.
2811.19.00Fuming Hydrobromic Acid 55%
Fuming 55% hydrobromic acid that emits HBr vapors is a chemically defined inorganic acid. It is classified under this tariff item as an other inorganic acid, provided it is in aqueous solution.
2811.19.00Germanium Dioxide Hydrated (Germanic Acid)
Hydrated germanium dioxide, or germanic acid (H2GeO3), used in fiber optics and catalysts. It is an inorganic oxygen compound of a non-metal, chemically defined, and falls under this tariff item as an 'other inorganic acid'.
2811.19.00Germanium Hydride
Germane (GeH4) is a colorless, pyrophoric gas used for semiconductor vapor deposition. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a hydride of the nonmetal germanium and meets the Chapter 28 definition of a separate chemically defined compound, provided it is not doped.
2811.19.00High-Purity Arsenic Acid for Glass Production
High-purity H3AsO4 used as a fining agent in optical glass manufacturing is a chemically defined inorganic acid. It is not excluded by Chapter Note 3(d) as it is not a luminophore, so it falls under this tariff item.
2811.19.00Hydrobromic Acid 47-52% Semiconductor Grade
Ultra-pure hydrobromic acid (47-52% assay) for semiconductor manufacturing is a chemically defined inorganic acid in aqueous solution. It is classified under this tariff item as an other inorganic acid.
2811.19.00Hydrobromic Acid 62% Technical Grade
Hydrobromic acid at 62% concentration is a strong inorganic acid used in organic synthesis for bromination reactions and as an intermediate in pharmaceutical manufacturing. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a separate chemically defined compound of hydrogen and bromine, not specifically named elsewhere in Chapter 28.
2811.19.00Hydrogen Selenide Gas
Hydrogen selenide (H2Se) is a colorless, toxic, flammable gas classified as an 'other inorganic acid' under tariff item 2811.19.00. It is a binary compound of hydrogen and the nonmetal selenium, meeting the Chapter 28 definition of a separate chemically defined compound.
2811.19.00Hypophosphorous Acid 50% Solution
Hypophosphorous acid (H3PO2) 50% aqueous solution used as a reducing agent in chemical synthesis and electroless plating. It is an inorganic phosphorus oxyacid, chemically defined, and classifiable under this tariff item as an 'other inorganic acid'.
2811.19.00Industrial Arsenic Acid 75% Solution
A 75% aqueous industrial arsenic acid solution for wood treatment and textile dyeing processes is a chemically defined inorganic acid in water. It qualifies under this tariff item as an other inorganic acid of a non-metal.
2811.19.00Industrial Grade Sulfamic Acid
Industrial grade sulfamic acid is a pure form of sulfamic acid (H3NSO4) used in industrial cleaning and descaling applications to remove rust, limescale and mineral deposits. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a separate chemically defined compound.
2811.19.00Laboratory Reagent Arsenic Acid (ACS Grade)
ACS-grade arsenic acid for analytical chemistry and lab research meets high purity standards as a chemically defined inorganic acid. It is not an organo-inorganic compound, so it falls under this tariff item.
2811.19.00Meta-Arsenic Acid Flakes
Meta-arsenic acid (HAsO2) flakes, a polymeric form used in pharmaceutical intermediates, is a chemically defined inorganic acid. It is classified under this tariff item as an other inorganic acid of a non-metal.
2811.19.00Nitrosyl Chloride
Nitrosyl chloride (NOCl) is a yellow-red gas or liquid used as a nitrosating agent in pharmaceutical synthesis. It is classified under tariff item 2811.19.00 as an 'other inorganic oxygen compound of non-metals' because it is a separate chemically defined compound of nitrogen, oxygen and chlorine, not specifically named elsewhere in Chapter 28.
2811.19.00Nitrosylsulfuric Acid (Chamber Acid)
Nitrosylsulfuric acid (HNO2SO4), also known as chamber acid, used in sulfuric acid production and nitrating mixtures. It is a complex inorganic oxygen compound of non-metals, chemically defined, and falls under this tariff item as an 'other inorganic acid'.
2811.19.00Pharmaceutical Grade Sulfamic Acid
Pharmaceutical grade sulfamic acid is a high-purity product meeting USP standards for use as a pharmaceutical intermediate and stabilizer in drug formulations. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a separate chemically defined compound of sulfur, nitrogen, hydrogen and oxygen.
2811.19.00Phosphoric Acid 85% Technical Grade
Phosphoric acid (H3PO4) at 85% concentration, a clear, colorless liquid used in fertilizers, detergents, and food processing. It is an inorganic phosphorus oxyacid, chemically defined, and classifiable under this tariff item as an 'other inorganic acid'.
2811.19.00Phosphorus Oxychloride
Phosphorus oxychloride (POCl3), also known as phosphoryl chloride, is a colorless liquid used in organic synthesis and as a chlorinating agent. It is classified under tariff item 2811.19.00 as an 'other inorganic oxygen compound of non-metals' because it is a separate chemically defined compound of phosphorus, oxygen and chlorine.
2811.19.00Stibine Gas
Stibine (SbH3) is an extremely toxic, unstable gas used in trace analysis. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a hydride of the nonmetal antimony, meeting the Chapter 28 definition of a separate chemically defined compound.
2811.19.00Sulfamic Acid Descaling Powder
Sulfamic acid in powdered form, packaged for industrial HVAC descaling to remove calcium carbonate deposits. It is a separate chemically defined inorganic compound, an oxygen acid of a non-metal, and qualifies under this tariff item as an 'other inorganic acid'.
2811.19.00Sulfamic Acid for Electroplating Baths
Specialty sulfamic acid for nickel electroplating baths, providing stable pH control and bright finishes. It is a pure inorganic acid, chemically defined, and not excluded by Chapter 28 notes, making it classifiable under this tariff item.
2811.19.00Sulfuric Acid Oleum
Oleum, or fuming sulfuric acid (H2SO4 + SO3), is a highly corrosive liquid used in sulfonation processes. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a solution of sulfur trioxide in sulfuric acid, distinct from standard sulfuric acid classified in heading 28.07.
2811.19.00Technical Grade Arsenic Acid Crystals
Technical grade arsenic acid (H3AsO4) crystals for industrial applications like pesticide intermediates and flame retardants is a chemically defined inorganic acid. It qualifies under this tariff item as an other inorganic acid.
2811.19.00Technical Grade Sulfamic Acid Crystals
Crystalline technical grade sulfamic acid used in metal pickling and surface treatment processes in manufacturing. It is a separate chemically defined inorganic compound, an oxygen acid of a non-metal, and falls under this tariff item as an 'other inorganic acid'.
2811.19.00Thionyl Chloride
Thionyl chloride (SOCl2) is a pale yellow liquid used as a chlorinating agent to convert acids to acid chlorides. It is classified under tariff item 2811.19.00 as an 'other inorganic oxygen compound of non-metals' because it is a separate chemically defined compound of sulfur, oxygen and chlorine.