Electronic Etching Grade Potassium Hydroxide Solution
Specialty 25% KOH solution for silicon wafer etching in semiconductor fabrication. HTS 2815.20.00.90 covers this as 'other' liquid potassium hydroxide. Not doped element form excluded by notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If silicon wafers pre-cut and etched with KOH
Doped silicon or wafers from Chapter 28 elements shift to 3818.
If prepared etching mixture with additives
Chemical preparations for electronics not pure KOH go to 3824.
If phosphide complex like phosphor copper variant
Specific phosphides including certain K compounds under 2853 note.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Screen for export control restrictions under CCL for semiconductor chemicals
• Use semiconductor-grade cleanroom packaging to maintain purity during transit
• Document <10 ppm metal impurities to prevent reclass as mixtures
Related Products under HTS 2815.20.00.90
Industrial Grade Potassium Hydroxide 90% Flakes
Potassium hydroxide in flake form with 90% purity, used primarily in soap manufacturing and as a strong alkali in chemical synthesis. It falls under HTS 2815.20.00.90 as 'other' potassium hydroxide, excluding solid forms specified in 2815.20.00.10. This chemically defined inorganic compound meets Chapter 28 criteria for classification.
Caustic Potash 45% Liquid Solution
Aqueous solution of potassium hydroxide at 45% concentration, used in liquid form for pH adjustment in water treatment and biodiesel production. Classified under HTS 2815.20.00.90 as 'other' forms of potassium hydroxide. Excludes granular solid forms covered elsewhere.
Battery Grade Potassium Hydroxide Pellets
High-purity potassium hydroxide pellets designed for alkaline battery electrolyte production, with low carbonate content. Falls under HTS 2815.20.00.90 as unspecified 'other' potassium hydroxide forms. Meets chemical definition for Chapter 28 inorganic bases.
Pharmaceutical Grade Caustic Potash Powder
Ultra-pure potassium hydroxide powder meeting USP standards for pharmaceutical synthesis and API manufacturing. Classified in HTS 2815.20.00.90 as 'other' potassium hydroxide not in granular form. Exclusively chemically defined per Chapter 28 notes.
Food Processing Caustic Potash Beads
Food-grade potassium hydroxide beads for cocoa processing and chocolate production, low impurity. Under HTS 2815.20.00.90 as other bead form of KOH. Chemically pure alkali base.
Dye Manufacturing Potassium Hydroxide Prills
Prilled potassium hydroxide optimized for synthetic dye and pigment production. Classifies in 2815.20.00.90 as other prill form. Inorganic base per Chapter definitions.