Bismuth Subnitrate
Bismuth subnitrate is a basic salt used in pharmaceuticals and cosmetics as an antacid and astringent. Classified in HTS 2825.90.90.00 as other inorganic bases of bismuth. It qualifies despite being a salt due to its basic oxide nature.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated into finished medicaments
Chapter exclusions send medicated products to Chapter 30.
If specifically antimony oxides/hydroxides
More specific subheadings take precedence over 'other'.
If in cosmetic beauty preparations
Retail cosmetics classified by function in Chapter 33.
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Import Tips & Compliance
• FDA prior notice required for pharma use; include drug master file references
• Heavy metal testing mandatory; levels >10ppm trigger rejection
Related Products under HTS 2825.90.90.00
Niobium Pentoxide
Niobium pentoxide (Nb2O5) is a white powder used in capacitors, superconductors, and optical glass. Imported under HTS 2825.90.90.00 as other metal oxides of niobium (columbium). Chemically defined per Chapter 28.
Tantalum Pentoxide
Tantalum pentoxide (Ta2O5) powder used in electronic capacitors and high-K dielectrics. Classifies in HTS 2825.90.90.00 as other metal oxide. Inorganic compound of rare metal tantalum.
Vanadium Pentoxide
Vanadium pentoxide (V2O5) is a yellow-orange powder used as a catalyst in sulfuric acid production. Falls under HTS 2825.90.90.00 as other metal oxides. Catalytically active metal oxide.
Antimony Trioxide
Antimony trioxide (Sb2O3) is a white crystalline powder used as a flame retardant in plastics and textiles. It falls under HTS 2825.90.90.00 as an 'other' metal oxide not specifically provided for elsewhere in heading 2825. This inorganic compound of the metal antimony is chemically defined and meets Chapter 28 criteria.
Tungsten Trioxide Powder
Tungsten trioxide (WO3) is a yellow-green powder used in gas sensors, smart windows, and catalysts. Classified in HTS 2825.90.90.00 as an other metal oxide of tungsten. It qualifies as a chemically defined inorganic compound per Chapter 28 Note 1.
Zinc Peroxide
Zinc peroxide (ZnO2) is a white powder used as an antiseptic, bleaching agent, and in rubber vulcanization. It is imported under HTS 2825.90.90.00 as other metal peroxides not elsewhere specified. This fits as a chemically defined peroxide of the metal zinc.