HEADING 2835

Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:

Part of Chapter 28 — Inorganic Chemicals, Section VI.

Subheadings and tariff lines

2835.10.00.00Phosphinates (hypophosphites) and phosphonates (phosphites)
2835D01Phosphates:
2835.22.00.00Of mono- or disodium 2835.24.00.00Of potassium 2835.25.00.00Calcium hydrogenorthophosphate ("Dicalcium phosphate") 2835.26.00.00Other phosphates of calcium 2835.29Other: 2835.29.10.00Of aluminum 2835.29.20.00Of triammonium 2835.29.30.00Of trisodium 2835.29.51.00Other
2835D02Polyphosphates:
2835.31.00.00Sodium triphosphate (Sodium tripolyphosphate) 2835.39Other: 2835.39.10.00Of potassium 2835.39.50.00Other

Recent CBP rulings on heading 2835

N355007 November 4, 2025

The tariff classification of Monopotassium Phosphate from Russia
N353043 September 15, 2025

The tariff classification of Aluminum Hypophosphite from India
N268801 October 16, 2015

The tariff classification of sodium hexametaphosphate from China
N243666 July 22, 2013

The tariff classification of various inorganic chemicals from China
N243775 July 15, 2013

The tariff classification of various organic and inorganic chemicals from China
N243671 July 10, 2013

The tariff classification of various inorganic chemicals from China
N243670 July 9, 2013

The tariff classification of various inorganic chemicals from China
N243594 July 5, 2013

The tariff classification of various inorganic chemicals from China
N236159 January 4, 2013

The tariff classification of Di-Tert Butyl Potassium Phosphate (CAS # 33494-80-3) from an unspecified country
N183026 October 3, 2011

The tariff classification of Lithium iron phosphate (CAS# 15365-14-7) from China.
N180479 September 12, 2011

The tariff classification of Tripotassium Phosphate (CAS # 7778-53-2), Monopotassium Phosphate (CAS# 7778-77-0), Magnesium Hydroxide (CAS# 1309-42-8), Xanthan Gum (X-Gum), and Fused Magnesium Oxide.
N179818 September 2, 2011

The tariff classification and status under the United States-Israel Free Trade Agreement (IFTA), of Sodium Tripolyphosphate Food Grade M 212 Granular from Israel.

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