Mohr's Salt (Ammonium Iron(II) Sulfate)
Mohr's salt ((NH4)2Fe(SO4)2·6H2O) is a double salt used in analytical titrations for its stability. Classified under HTS 2833.29.20.00 as an iron sulfate per metal salt provisions.
Import Duty Rates by Country of Origin
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 vol/vol standards certification for lab reagent imports
• Store and ship refrigerated to prevent decomposition
• Avoid ammonium-heavy declarations that might trigger 2842 review
Related Products under HTS 2833.29.20.00
Ferrous Sulfate Heptahydrate
Ferrous sulfate heptahydrate (FeSO4·7H2O) is a pale green crystalline compound used primarily as a nutrient supplement in agriculture and water treatment. It falls under HTS 2833.29.20.00 as a sulfate of iron, specifically classified among other iron sulfates due to its chemical definition as an inorganic iron salt.
Ferric Sulfate Anhydrous
Ferric sulfate (Fe2(SO4)3) in anhydrous form is a yellow to brown powder used in water purification and as a coagulant. Classified under HTS 2833.29.20.00 as an other sulfate of iron, meeting Chapter 28 criteria for chemically defined inorganic iron compounds.
Iron(II) Sulfate Monohydrate
Iron(II) sulfate monohydrate (FeSO4·H2O), also known as melanterite, serves as a reducing agent and iron supplement in animal feed. It is classified under HTS 2833.29.20.00 for iron sulfates, excluding those specified elsewhere in the chapter.
Ferric Ammonium Sulfate
Ferric ammonium sulfate ((NH4)Fe(SO4)2·12H2O) is used in analytical chemistry and as a mordant in dyeing. It qualifies under HTS 2833.29.20.00 as a sulfate of iron, treated as a metal salt per Chapter 28 notes on complex salts.
Copperas Crystals (Ferrous Sulfate)
Copperas, or green vitriol, refers to large crystals of ferrous sulfate heptahydrate used in gardening and pigment production. Classified in HTS 2833.29.20.00 as other sulfates of iron, distinct from alums.
Iron(III) Sulfate Solution (45% Fe2(SO4)3)
A 45% aqueous solution of iron(III) sulfate used in wastewater treatment and etching. Though a solution, it remains under HTS 2833.29.20.00 when chemically defined as iron sulfate concentrate.