HTS 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 — 8 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 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 + Ch. 99 | not stated | — |
| 2853.10.00.00 | Cyanogen chloride (chloorcyan) + Ch. 99 | 2.8% | kg |
| 2853.90 | Other + Ch. 99 | not stated | — |
| 2853.90.10.00 | Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous + Ch. 99 | 2.6% | kg |
| 2853.90.50.00 | Of other metals or nonmetals + Ch. 99 | Free | kg |
| 2853.90.90 | Other + Ch. 99 | 2.8% | — |
| 2853.90.90.10 | Gallium arsenide wafers, undoped + Ch. 99 | 2.8% (inherited from 2853.90.90) | kg |
| 2853.90.90.90 | Other + Ch. 99 | 2.8% (inherited from 2853.90.90) | kg |
2 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
8 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.