Heading 2853: Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals:

From Chapter 28: Chapter 28

HTS Codes (10-Digit)

HTS Code Description General Duty
2853100000
Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals Cyanogen chloride (chloorcyan)
 2.8%
2853901000
Phosphides, whether or not chemically defined, excluding ferrophosphorous Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous
 2.6%
2853905000
Phosphides, whether or not chemically defined, excluding ferrophosphorous Of other metals or nonmetals
 Free
2853909000
Other Other
 2.8%
2853909010
Other Gallium arsenide wafers, undoped
 2.8%
2853909090
Other
 2.8%