Sublimed Sulfur USP Grade
Pharmaceutical-grade sublimed sulfur purified through sublimation, meeting USP standards for medicinal use. Classified under HTS 2802.00.00.00 as sublimed sulfur, a chemically pure form of elemental sulfur distinct from mineral or crude sulfur.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If extracted directly from natural deposits without sublimation
Crude or unrefined sulfur from mining falls under Chapter 25 as mineral products, not chemically processed sulfur.
If formulated into a finished medicinal preparation like ointment
Mixed or compounded with other substances for therapeutic use, it becomes a pharmaceutical product in Chapter 30.
If chemically defined but mixed with organic stabilizers
Mixtures not purely elemental sulfur may classify as chemical preparations in heading 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide certificate of analysis confirming sublimed/precipitated form and purity >99% to avoid reclassification as crude sulfur
• Comply with TSCA regulations; declare intended use (e.g
• pharmaceutical) to prevent delays at customs
Related Products under HTS 2802.00.00.00
Colloidal Sulfur for Veterinary Use
Colloidal sulfur dispersion for animal skin treatments and antiparasitics. HTS 2802.00.00.00 includes colloidal forms explicitly as elemental sulfur.
Micronized Precipitated Sulfur
Ultra-fine precipitated sulfur (<10 microns) for cosmetics and powders. Remains under HTS 2802.00.00.00 as precipitated sulfur despite particle refinement.
Sublimed Sulfur Flowers
Flower-like sublimed sulfur crystals used in traditional medicine. Traditional 'flowers of sulfur' qualify as sublimed under HTS 2802.00.00.00.
Precipitated Sulfur Powder
Fine precipitated sulfur produced via chemical precipitation, used in rubber vulcanization and skincare. Falls under HTS 2802.00.00.00 due to its precipitated form as a chemically defined elemental sulfur.
Colloidal Sulfur Suspension 30%
Stable aqueous suspension of colloidal sulfur particles, used in agricultural fungicides. Classified in HTS 2802.00.00.00 explicitly as colloidal sulfur, regardless of dispersion medium.
Pharmaceutical Precipitated Sulfur NF
National Formulary grade precipitated sulfur for acne treatments and ointments. HTS 2802.00.00.00 covers this precipitated elemental sulfur used as API in pharmaceuticals.