Laboratory Grade Copper Sulfate
High-purity CuSO4·5H2O (ACS reagent grade) for analytical and educational use. Precisely classified in 2833.25.00.00 as copper sulfate, chemically defined per Chapter 28 Note 1. Supplied in small bottles for lab safety.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagent in kit form
Lab reagents for analysis in kits classify in 3822 per exclusions.
If mistakenly declared as peroxide compound
Hydrogen peroxide derivatives in 2847; sulfates remain in 2833.
If part of assembled lab microanalysis kit
Instruments and apparatus for chemical analysis take precedence over chemicals.
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Import Tips & Compliance
• Include lot-specific CoA with trace metal analysis to prove reagent purity
• Package in child-resistant containers if >99% pure; comply with DOT hazardous material shipping
• Declare for 'research use only' to avoid pesticide scrutiny under FIFRA
Related Products under HTS 2833.25.00.00
Copper Sulfate Pentahydrate Crystals
Blue crystalline powder known as chalcanthite, with the formula CuSO4·5H2O, used in agriculture as a fungicide and in chemistry labs. Classified under HTS 2833.25.00.00 as a sulfate of copper, meeting Chapter 28 criteria for chemically defined inorganic compounds. Excludes organo-inorganic compounds per chapter notes.
Anhydrous Copper Sulfate Powder
White powder form of CuSO4 without water of hydration, used in catalysts and analytical chemistry. Falls under HTS 2833.25.00.00 as other sulfates of copper, distinct from hydrated forms but same chemical classification. Pure inorganic compound per Chapter 28 definitions.
Copper(II) Sulfate for Aquaculture
Technical grade copper sulfate crystals for pond algae control in fish farming. HTS 2833.25.00.00 covers sulfates of copper regardless of end use, as long as chemically defined. Used in dilute solutions for water treatment.
Electroplating Grade Copper Sulfate
Refined copper sulfate used in acidic copper plating baths for electronics manufacturing. HTS 2833.25.00.00 for pure copper sulfates; purity optimized for uniform deposition. Excludes prepared plating solutions.
Copper Vitriol Blue Crystals
Traditional name for hydrated copper sulfate pentahydrate, used in pigments and dyes. Classified under 2833.25.00.00 as sulfate of copper; historical vitriol but modern chemical definition applies. Deep blue color from Cu2+ ions.
Feed Grade Copper Sulfate Monohydrate
CuSO4·H2O powder with controlled particle size for livestock mineral supplements. Still classified 2833.25.00.00 as chemically defined copper sulfate; feed grade specifies low heavy metals. Meets AAFCO purity standards.