HTS heading 2835: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined
Heading 2835 of the US Harmonized Tariff Schedule covers Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2835 at a glance
- 12 rated tariff lines; 3 duty-free at the general (MFN) rate.
- Ad valorem general rates from 1.4% to 4.1%.
- Section 301 (products of China): 12 of 12 lines on a list in effect (List 3).
Goods named in this heading (official line texts): Phosphinates (hypophosphites) and phosphonates (phosphites), Of mono- or disodium, Of potassium, Calcium hydrogenorthophosphate ("Dicalcium phosphate"), Of aluminum, Of triammonium, Of trisodium, Sodium triphosphate (Sodium tripolyphosphate), Of potassium.
Subheadings (6-digit)
- 2835.10: Phosphinates (hypophosphites) and phosphonates (phosphites) (1 line)
- 2835.22: Phosphates (1 line)
- 2835.24: Phosphates (1 line)
- 2835.25: Phosphates (1 line)
- 2835.26: Phosphates (1 line)
- 2835.29: Other (4 lines)
- 2835.31: Polyphosphates (1 line)
- 2835.39: Other (2 lines)
All tariff lines in heading 2835
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2835.10.00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | 3.1% | List 3 +25% | |
| 2835.22.00 | Phosphates: Of mono- or disodium | 1.4% | List 3 +25% | |
| 2835.24.00 | Phosphates: Of potassium | 3.1% | List 3 +25% | |
| 2835.25.00 | Calcium hydrogenorthophosphate ("Dicalcium phosphate") | Free | List 3 +25% | |
| 2835.26.00 | Phosphates: Other phosphates of calcium | Free | List 3 +25% | |
| 2835.29.10 | Other: Of aluminum | Free | List 3 +25% | |
| 2835.29.20 | Other: Of triammonium | 1.5% | List 3 +25% | |
| 2835.29.30 | Other: Of trisodium | 2.2% | List 3 +25% | |
| 2835.29.51 | Other: Other | 4.1% | List 3 +25% | |
| 2835.31.00 | Sodium triphosphate (Sodium tripolyphosphate) | 1.4% | List 3 +25% | |
| 2835.39.10 | Other: Of potassium | 3.1% | List 3 +25% | |
| 2835.39.50 | Other: Other | 3.7% | List 3 +25% |
All of chapter 28 · Chapter 28 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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