Phosphor Copper Master Alloy
High-phosphorus phosphor copper master alloy for brass production. >15% P qualifies as phosphide HTS 2853.90.90.90.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
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
• P-content verification; foundry end-use docs
Related Products under HTS 2853.90.90.90
Copper Phosphide (Phosphor Copper)
Copper phosphide, also known as phosphor copper, is an inorganic compound containing more than 15% phosphorus by weight, used primarily as a deoxidizer and alloying additive in metallurgy. It falls under HTS 2853.90.90.90 as a phosphide explicitly included in heading 2853 per chapter notes. This chemically defined compound is imported in granular or powder form for industrial applications.
Zinc Phosphide Powder
Zinc phosphide is a chemically defined inorganic phosphide compound used as a rodenticide and in pyrotechnics. Classified under HTS 2853.90.90.90 as a phosphide, excluding ferrophosphorous, due to its discrete chemical formula meeting Chapter 28/29 purity standards. It is imported in stabilized powder form for pest control applications.
Aluminum Phosphide Tablets
Aluminum phosphide tablets are inorganic phosphide compounds used for fumigation in agriculture and storage. They qualify for HTS 2853.90.90.90 as chemically defined phosphides under heading 2853, imported in hermetically sealed containers to prevent hydrolysis. The product releases phosphine gas upon moisture contact.
Distilled Water USP Grade
USP-grade distilled water is highly purified water meeting United States Pharmacopeia standards for pharmaceutical use. It is classified under HTS 2853.90.90.90 as 'distilled or conductivity water and water of similar purity' within other inorganic compounds. Produced by distillation to remove impurities, ensuring <1 µS/cm conductivity.
Conductivity Water Type I
Type I conductivity water has resistivity >18 MΩ·cm, used in semiconductor manufacturing and analytical labs. Classified in HTS 2853.90.90.90 as 'water of similar purity' among other inorganic compounds. Produced via multi-stage purification including deionization and UV treatment.
Liquid Air (Synthetic)
Synthetic liquid air is liquefied atmospheric air used in cryogenics and as a refrigerant source. It falls under HTS 2853.90.90.90 as 'liquid air (whether or not rare gases have been removed)' in other inorganic compounds/products. Typically contains nitrogen, oxygen, argon in liquid form at -196°C.