Barium Sulfate USP Grade
Pharmaceutical-grade barium sulfate used as a radio-opaque contrast medium in X-ray imaging like CT scans and barium swallows. Classified under HTS 2833.27.00.00 as a pure, chemically defined sulfate of barium meeting Chapter 28 Note 1 criteria.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-formulated as ready-to-use contrast suspension
Finished pharmaceutical preparations for retail sale fall under Chapter 30, not pure chemical compounds.
If containing hydrogen peroxide stabilizers
Per Chapter 28 note, hydrogen peroxide solidified or complexed products go to heading 2847.
If for diagnostic reagents excluding pharmaceuticals
Lab diagnostic reagents not meeting pharma definitions may shift to chemical diagnostic preparations.
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 USP/EP certificates and FDA compliance docs; may require prior notice via FDA's PRIOR system
• Ensure particle size and purity specs match pharmacopeia standards to prevent reclassification
Related Products under HTS 2833.27.00.00
Barium Sulfate Powder (Precipitated)
High-purity precipitated barium sulfate (BaSO4) used as a white pigment in paints, coatings, and plastics. It falls under HTS 2833.27.00.00 as a chemically defined sulfate of barium, specifically classified as 'other sulfates of barium' per Chapter 28 notes.
Blanco Barium Sulfate Pigment
Synthetic barium sulfate pigment known as 'Blanco' or permanent white, used in high-end paints and artist oils for opacity. It is a chemically defined barium sulfate under HTS 2833.27.00.00, distinguished from natural barite by precipitation process.
Barium Sulfate Lithopone Precursor
High-assay barium sulfate used in lithopone production (co-precipitated with zinc sulfide for white pigments). Classified as pure barium sulfate under HTS 2833.27.00.00 before complexing.
Ultra-Fine Barium Sulfate for Batteries
Nano-grade barium sulfate additive for lead-acid battery separators to improve insulation and reduce sulfation. A chemically defined compound classified in HTS 2833.27.00.00.
Barytes Precipitated Filler Grade
Micronized precipitated barium sulfate used as a functional filler in rubber, plastics, and tires for reinforcement and opacity. Falls under HTS 2833.27.00.00 as a chemically defined inorganic compound of barium.
Pharmaceutical Barium Meal Suspension Base
Sterile barium sulfate powder base for preparing oral contrast suspensions in gastrointestinal X-rays. Meets USP standards as chemically defined barium sulfate under HTS 2833.27.00.00.