Ferric Hydroxide Precipitate
Precipitated ferric hydroxide (Fe(OH)3) used in water treatment, pharmaceuticals, and as pigment intermediate. Classified under 2821.10.00 for iron hydroxides with >70% iron as Fe2O3 equivalent. High purity for industrial purification processes.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as complex salts of inorganic bases
If forming double salts with other metals, classifies in 2842 per Chapter notes.
If in treatment preparations
Prepared water treatment chemicals containing iron hydroxides go to 3824.
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
• Include batch purity certificates; ensure no organic stabilizers to avoid Chapter 29
• Hazard class as corrosive if pH extreme; proper UN packaging
• Avoid misclassification as flocculants (3809) if pure chemical form
Related Products under HTS 2821.10.00
Synthetic Yellow Iron Oxide for Concrete
Synthetic yellow iron oxide pigment optimized for coloring concrete blocks and pavers. Falls under 2821.10.00 as iron oxide >70% Fe2O3, alkali-resistant for cement mixes. Standard in construction coloration.
Granular Black Iron Oxide for Ferrites
Granular Fe3O4 iron oxide precursor for manufacturing soft ferrites in transformers. HTS 2821.10.00 for pure iron oxides used in electronics. Calcined to precise stoichiometry.
Synthetic Red Iron Oxide Pigment
A high-purity synthetic iron oxide (Fe2O3) pigment used in paints, coatings, and plastics for red coloration. It falls under HTS 2821.10.00 as it is a chemically defined iron oxide containing over 70% combined iron evaluated as Fe2O3. This subheading covers both synthetic and natural iron oxides and hydroxides used primarily as colorants.
Yellow Iron Oxide Hydroxide (Goethite)
Synthetic yellow iron oxide hydroxide (FeOOH), known as goethite, used for pigmentation in construction materials and cosmetics. Classified in 2821.10.00 due to its high iron content (>70% as Fe2O3 equivalent) and status as an iron hydroxide. Essential for tinting cements and primers.
Black Iron Oxide (Magnetite) Powder
Micronized black iron oxide (Fe3O4, magnetite) powder for magnetic inks, ferrites, and industrial pigments. HTS 2821.10.00 applies as a chemically defined iron oxide with >70% combined iron as Fe2O3. Widely used in electronics and ceramics.
Natural Red Ochre Iron Oxide
Naturally occurring red ochre, a calcined iron oxide earth color with ≥70% Fe2O3, used in artist paints and traditional pigments. Fits 2821.10.00 as an earth color meeting the iron content threshold from Chapter 28 notes. Preferred for historical restoration work.