Nickel Ammonium Sulfate
Nickel ammonium sulfate ((NH4)2Ni(SO4)2·6H2O) is a double salt used in analytical chemistry and electroplating baths. It qualifies under HTS 2833.24.00.00 as a sulfate of nickel, per Chapter 28 rules allowing certain complex salts.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If explicitly labeled as complex ammonium salt
Chapter note directs complex salts to 2842 unless specifically under metal sulfate headings.
If diagnostic reagents containing this salt
Lab reagents prepared for diagnostic use excluded from Chapter 28 per Section VI notes.
If of aluminum (alum form)
True alums like ammonium alum classified separately in 2833.22.
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
• Submit chemical formula and CAS# (7786-81-4) in entry docs to affirm nickel sulfate classification over 2842
• For lab reagents, include quantity limits under lab chemical exemptions to reduce duties
Related Products under HTS 2833.24.00.00
Nickel Sulfate Hexahydrate
Nickel sulfate hexahydrate (NiSO4·6H2O) is a bright green crystalline compound used primarily in electroplating and as a nickel source in chemical synthesis. It falls under HTS 2833.24.00.00 as a sulfate of nickel, classified among other metal sulfates in Chapter 28 for chemically defined inorganic compounds.
Anhydrous Nickel Sulfate
Anhydrous nickel sulfate (NiSO4) is a yellow-brown powder used in high-temperature applications like glass coloring and catalyst production. Classified under HTS 2833.24.00.00 as a pure sulfate of nickel, distinct from its hydrated forms.
Nickel Sulfate for Lithium-Ion Battery Cathodes
Battery-grade nickel sulfate (NiSO4·6H2O >99.5% pure) serves as precursor for NMC cathode materials in EV batteries. Under HTS 2833.24.00.00 as chemically defined nickel sulfate.
Nickel Sulfate Crystals EP Grade
European Pharmacopoeia (EP) grade nickel sulfate crystals for calibration standards and research. HTS 2833.24.00.00 covers this pure inorganic nickel salt.
Nickel(II) Sulfate USP Grade
USP-grade nickel(II) sulfate meets pharmaceutical standards for use in trace element supplements and lab standards. Falls under HTS 2833.24.00.00 as a chemically defined nickel sulfate, pure for medicinal applications.
Electrowinning Grade Nickel Sulfate
High-purity nickel sulfate optimized for electrowinning processes in nickel metal recovery from ores. Classified in HTS 2833.24.00.00 as a sulfate of nickel for industrial metallurgy.