Aluminum Phosphide
Aluminum phosphide is a chemically defined inorganic compound used primarily as a fumigant in agriculture to control pests in stored grains. It falls under HTS 2853.90.50.00 as a phosphide of a metal other than iron, excluded from ferrophosphorous classifications. This solid compound reacts with moisture to release phosphine gas.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as phosphorane or hydrolyzed form
Hydrolyzed phosphides releasing phosphine gas may classify as simple cyanogen derivatives or acids under heading 2811.
If mixed with stabilizers for retail pesticide kits
Formulations put up for retail sale as prepared pest control mixtures fall under chemical preparations in 3824.
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Import Tips & Compliance
• Obtain EPA registration and fumigant labeling compliance for agricultural use; verify phosphide purity meets chemical definition standards
• Include safety data sheets (SDS) and UN hazard class 4.3 documentation for phosphine-generating compounds
• Avoid misclassification as ferrophosphorous (2848.00); confirm aluminum content via lab analysis
Related Products under HTS 2853.90.50.00
Cadmium Phosphide
Cadmium phosphide serves as a II-V semiconductor material for infrared detectors and photovoltaics. This chemically defined phosphide of other metals falls under HTS 2853.90.50.00, distinct from organic or alloy forms. Its band gap properties suit optoelectronic applications.
Barium Phosphide
Barium phosphide finds application in specialty alloys and as a reducing agent in extractive metallurgy. This metal phosphide qualifies for HTS 2853.90.50.00 as chemically defined, excluding ferrophosphorous and copper-specific notes. Highly reactive with water.
Zinc Phosphide
Zinc phosphide is a dark gray powder phosphide compound employed as a rodenticide for controlling rodents in agricultural and urban settings. Classified in HTS 2853.90.50.00 as a phosphide of other metals, it generates toxic phosphine gas upon contact with stomach acid. This makes it effective for pest control applications.
Calcium Phosphide
Calcium phosphide serves as a phosphide for generating phosphine gas in life-saving pyrotechnic signal flares and smoke generators. It is classified under HTS 2853.90.50.00 as a phosphide of other metals, chemically defined per Chapter 28 notes. This reactive compound is used in emergency signaling devices.
Magnesium Phosphide
Magnesium phosphide is utilized in industrial pyrotechnics and as a phosphine generator for fumigation tablets. This HTS 2853.90.50.00 product is a phosphide of other metals, meeting chemical definition criteria excluding ferrophosphorous. It offers high reactivity for gas generation applications.
Copper Phosphide Powder
Copper phosphide, containing over 15% phosphorus by weight, functions as a semiconductor material and phosphor copper alloy precursor. Although Chapter note places it in 2853 generally, pure forms of other metals classify under HTS 2853.90.50.00 excluding ferrophosphorous. Used in electronics and metallurgy.