48% Hydrofluoric Acid Solution
A standard industrial grade of hydrofluoric acid at 48% concentration in water, used for etching glass and semiconductors. Classified under HTS 2811.11.00.00 as hydrogen fluoride, the primary compound, per Chapter 28 definitions for chemically defined inorganic acids. It is imported in plastic carboys for safety.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If concentration below 50% and not specified as HF
Lower concentration HF solutions may classify as other inorganic acids rather than specific hydrogen fluoride.
If complexed with other nonmetal compounds
Complex inorganic compounds including fluorides may fall under other compounds of nonmetals.
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Import Tips & Compliance
• Comply with DOT 8 corrosive label and UN1833 marking; provide SDS in English
• Watch for concentration thresholds that could shift to mixture codes
Related Products under HTS 2811.11.00.00
Anhydrous Hydrogen Fluoride
Pure anhydrous hydrogen fluoride (HF) is a colorless, corrosive gas or liquid used primarily in industrial processes like fluorochemical production. It falls under HTS 2811.11.00.00 as it is the specific inorganic acid hydrogen fluoride, chemically defined per Chapter 28 notes. This classification applies to the pure compound without water.
70% Hydrogen Fluoride Industrial Grade
High-concentration 70% HF solution for heavy-duty applications like aluminum etching in manufacturing. It is explicitly hydrogen fluoride under HTS 2811.11.00.00, meeting Chapter 28 note for inorganic acids of nonmetals. Supplied in bulk tankers with strict safety protocols.
Electronic Grade Hydrofluoric Acid (HF)
Ultra-pure hydrofluoric acid for semiconductor wafer cleaning, with impurities below ppb levels. Falls under HTS 2811.11.00.00 as chemically defined hydrogen fluoride for inorganic acid category in Chapter 28. Packaged in cleanroom-compatible fluoropolymer bottles.
Buffered Hydrofluoric Acid (BHF)
Buffered HF solution typically 6:1 HF:NH4F for silicon dioxide etching in microelectronics. Primarily hydrogen fluoride, thus HTS 2811.11.00.00 per Chapter 28 inorganic acids note, despite buffering. Imported for precision semiconductor processing.
Pharma Grade Hydrofluoric Acid
High-purity HF meeting USP standards for pharmaceutical fluoride production and synthesis. Classified as hydrogen fluoride under HTS 2811.11.00.00, chemically defined inorganic acid excluding organo-inorganics per Chapter notes. Supplied in sterile, low-metal containers.
Glass Etching Hydrofluoric Acid
20-30% HF solution specialized for frosted glass production and decorative etching. It is hydrogen fluoride per HTS 2811.11.00.00, as the defining inorganic acid component. Commonly imported for architectural and automotive glass applications.