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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped and cut into semiconductor wafers/discs
Chapter note excludes processed electronic forms from Chapter 28 into 3818.
If containing silver or gold impurities
Complex metal compounds with precious metals classify under silver/gold salts heading.
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Import Tips & Compliance
• Handle as TSCA-listed toxic substance; include exposure limits and waste disposal plans
• For semiconductor wafers, confirm unworked form—processed discs go to 3818.00
• Export controls may apply under Wassenaar for dual-use optoelectronic materials
Related Products under HTS 2853.90.50.00
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.
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.