Hydrogen cyanide (hydrocyanic acid)
Other inorganic acids and other inorganic oxygen compounds of non-metals. > Other inorganic acids: > Hydrogen cyanide (hydrocyanic acid) > Hydrogen cyanide (hydrocyanic acid)
Duty Rate (from China)
Products classified under Tariff item 2811.12
Anhydrous Hydrogen Cyanide (Industrial Grade)
Anhydrous hydrogen cyanide (HCN) in industrial grade, supplied as a liquid or gas for large-scale production of nylon precursors and pharmaceuticals. It is a separate chemically defined compound of carbon and nitrogen, classified under this tariff item as hydrogen cyanide (hydrocyanic acid).
2811.12.00HCN Laboratory Reagent Grade
Laboratory reagent grade hydrogen cyanide in stabilized ampoules for analytical chemistry and organic synthesis. It is a chemically defined compound of hydrogen cyanide, meeting the criteria for this tariff item as a separate inorganic acid.
2811.12.00High-Purity HCN for Adiponitrile Production
Ultra-pure hydrogen cyanide (99.9% purity) distilled for electrohydrodimerization to adiponitrile in nylon-6,6 manufacturing. It is a separate chemically defined compound of hydrogen cyanide, classified under this tariff item as a simple cyanogen acid.
2811.12.00Hydrocyanic Acid Aqueous Solution (10% HCN)
An aqueous solution of hydrogen cyanide stabilized at 10% concentration for safer handling in industrial fumigation and chemical processes. It is a solution of a chemically defined compound in water, covered by this tariff item as hydrogen cyanide.
2811.12.00Hydrogen Cyanide Gas (99% Purity)
Hydrogen cyanide gas at 99% purity, used primarily in chemical synthesis for producing adiponitrile and methionine. It is a separate chemically defined compound of hydrogen cyanide, classified under this tariff item as a simple cyanogen acid.
2811.12.00Stabilized Hydrocyanic Acid for Fumigation (5% Solution)
Phosphine-stabilized 5% HCN aqueous solution packaged for agricultural fumigation of soil and structures. It is a solution of hydrogen cyanide in water with a stabilizer for safety, falling under this tariff item as hydrogen cyanide.