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Ammonium Fluoborate

Ammonium fluoborate (NH4BF4) is utilized in electroplating baths, explosives, and synthetic resins. Falls under HTS 2826.19.1000 as an ammonium fluoride complex. Chemically defined per Chapter 28/29 notes, distinct from organo-inorganics.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	3.1%	+35.0%	38.1%
🇲🇽Mexico	3.1%	+10.0%	13.1%
🇨🇦Canada	3.1%	+10.0%	13.1%
🇩🇪Germany	3.1%	+10.0%	13.1%
🇯🇵Japan	3.1%	+10.0%	13.1%

Alternative Classifications

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

2840.19.00.00Lower: 35.1% vs 38.1%

If primarily classified by borate function

Borates have dedicated heading 2840; fluoborates classified by principal fluorine characteristic.

2923Lower: 16.2% vs 38.1%

If containing organic quaternary ammonium

Organo-inorganic compounds excluded from Chapter 28.

3810.90Lower: 15% vs 38.1%

If in pickling preparations for metals

Prepared fluxes and pickling agents go to 3810.

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Import Tips & Compliance

• Certify boron content <5% to avoid overlap with borates in 2840; focus on fluorine classification

• Hazard class 6.1 (toxic); include toxicology data and UN 1812 shipping papers

Related Products under HTS 2826.19.10.00

Ammonium Fluoride

Ammonium fluoride (NH4F) is a white crystalline salt used in chemical synthesis, glass etching, and as a fluorine source in pharmaceuticals. It falls under HTS 2826.19.1000 as an ammonium fluoride, classified within complex fluorine salts of Chapter 28. This chemically defined inorganic compound meets the chapter's criteria for fluorides other than those specified elsewhere.

Ammonium Bifluoride

Ammonium bifluoride ((NH4)HF2) is an inorganic acid salt applied in industrial cleaning, oil well acidizing, and metal pickling. Classified under HTS 2826.19.1000 as an 'other' ammonium fluoride complex. It qualifies as a chemically defined fluorine salt per Chapter 28 definitions, excluding organic derivatives.

Ammonium Fluorosilicate

Ammonium fluorosilicate ((NH4)2SiF6) serves as a rodenticide, water fluoridation agent, and in ceramic production. It is a complex fluorine salt classified in HTS 2826.19.1000 under 'other' fluorides of ammonium. Meets subheading note for chemically defined compounds.