Ammonium Pentaborate Solution

Ammonium pentaborate solution (20-40% concentration) serves as a fire retardant and boron supplement in agriculture. Under HTS 2840.20.00.00 as other borates, it qualifies as chemically defined per Chapter 28/29 notes despite solution form. Used in wood treatment and fertilizers.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+35.0%38.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

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

3808.94.50Lower: 30% vs 38.7%

If finished fire-retardant product

Disinfectants/fire retardants containing borates classify under Chapter 38.

3101.00.00.00Lower: 25% vs 38.7%

If for direct soil application

Animal/plant fertilizers with borates go to Chapter 31.

2853Lower: 12.8% vs 38.7%

If complex with phosphides

Certain complex inorganic compounds shift per Chapter note 2(e).

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Import Tips & Compliance

Declare exact concentration; solutions over 50% may face different chemical regs

Obtain TSCA certification for US chemical import notification

Use DOT-approved containers for liquid hazardous shipments

Related Products under HTS 2840.20.00.00

Sodium Tetraborate Decahydrate (Borax)

Sodium tetraborate decahydrate, commonly known as borax, is a hydrated sodium borate salt used in detergents, glass manufacturing, and as a flux. It falls under HTS 2840.20.00.00 as 'other borates' since it is a chemically defined inorganic borate compound excluding peroxoborates. This white crystalline powder is essential in cleaning products and metallurgy.

Disodium Tetraborate Anhydrous

Disodium tetraborate anhydrous is a dehydrated form of borax used in industrial applications like enamel frits and herbicides. Classified under HTS 2840.20.00.00 as other borates, it is a pure inorganic sodium borate meeting Chapter 28 definitions. This powder provides boron source in metallurgy and agriculture.

Potassium Tetraborate

Potassium tetraborate is an inorganic salt used as a boron source in welding fluxes and ceramics. It is classified in HTS 2840.20.00.00 as other borates, distinct from sodium borates. This compound appears as a white powder soluble in water.

Zinc Borate Powder (2ZnO·3B2O3·3.5H2O)

Zinc borate (2ZnO·3B2O3·3.5H2O) is a flame retardant and smoke suppressant used in plastics and textiles. Classified as other borates under HTS 2840.20.00.00 as a metal borate salt per heading applicability. Fine white powder with specific hydrate formula.

Magnesium Borate Hydrate

Magnesium borate hydrate serves as a lubricant additive and anti-corrosion agent. It falls under HTS 2840.20.00.00 as other borates, being a chemically defined inorganic magnesium salt. Used in drilling fluids and ceramics.

Calcium Borate Precipitate

Calcium borate precipitate is used in specialty ceramics and as a boron supplement. Classified under HTS 2840.20.00.00 as other borates, excluding Chapter 31 products. Fine particulate form for high-purity applications.