Molybdenum Blue Oxide
Reduced molybdenum oxide (MoO2-MoO3 mix), known as molybdenum blue, used in steel alloying. Classified under HTS 2825.70.00.00 as mixed molybdenum oxides, chemically defined. Key in powder metallurgy.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If molybdenum ore residue
Roasted or calcined ores containing oxides are in Chapter 26, not pure chemical oxides.
If ferro-molybdenum alloy
Alloyed forms become ferro-molybdenum under Chapter 72 iron/steel articles.
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Import Tips & Compliance
• Specify oxide ratio in COA; fine particle size requires dust mitigation in packaging
• Pitfall: industrial mixtures may go to 3824
Related Products under HTS 2825.70.00.00
Molybdenum Trioxide Powder (MoO3)
Pure molybdenum trioxide (MoO3) in fine powder form, used as a precursor in molybdenum metal production and catalyst manufacturing. It is classified under HTS 2825.70.00.00 as a chemically defined molybdenum oxide. This inorganic compound meets Chapter 28 definitions for metal oxides.
Molybdenum Dioxide Powder (MoO2)
Molybdenum dioxide (MoO2) powder, an intermediate in reduction processes for pigment and alloy production. Classified in HTS 2825.70.00.00 as it is a chemically defined inorganic molybdenum oxide. Used in electronics and ceramics for its conductive properties.
Ammonium Heptamolybdate Tetrahydrate
Crystalline ammonium heptamolybdate tetrahydrate ((NH4)6Mo7O24·4H2O), a soluble source of molybdenum for fertilizers and reagents. While a molybdate salt, pure forms are sometimes associated with HTS 2825.70.00.00 if misclassified as hydroxide-derived; primarily 2841. Used in analytical chemistry.
Molybdic Acid (Molybdenum Hydroxide)
Molybdic acid or hydrated molybdenum trioxide (H2MoO4), used in ceramics and as a catalyst precursor. Falls under HTS 2825.70.00.00 as molybdenum hydroxides per the heading. Chemically defined per Chapter 28 notes.
Technical Grade Molybdenum Trioxide
Technical grade MoO3 with 99% purity, for lubricant additives and pigments. HTS 2825.70.00.00 covers this molybdenum oxide used in industrial applications. Meets inorganic base oxide definition.
Molybdenum Pentoxide
Molybdenum(VI) oxide (MoO3, often called pentoxide in trade), pure crystalline form for research. Precisely HTS 2825.70.00.00 as chemically defined molybdenum oxide. Used in thin-film deposition.