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Meta-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.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

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Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2930.90.00Same rate: Free

If the product is an organo-inorganic compound

Organo-inorganic compounds are excluded from Chapter 28 by Note 3(b).

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Import Tips & Compliance

• Confirm the chemical identity and purity of the meta-arsenic acid

• Provide documentation on the pharmaceutical intermediate use

• Check if the product is subject to controlled substance regulations

Related Products under Tariff item 2811.19.00

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.

48% 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).

Anhydrous 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.

Anhydrous 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.

Antimonic 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'.

Arsenic 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.