Code 2835 29 · Heading 2835

Phosphates other than mono- or disodium, trisodium, potassium, calcium and mercury phosphates

This category covers phosphates, excluding phosphates of mono- or disodium, trisodium, potassium, calcium and mercury. Its subcategories include triammonium phosphate, trisodium phosphates and other phosphates.

For example

Triammonium phosphate

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See the official tariff text

Official tariff text

Phosphates (excl. phosphates of monosodium, disodium, potassium, calcium and mercury)

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section VI Products of the chemical or allied industries
Is it an inorganic or organic chemical; a pharmaceutical product; a fertilizer; a tanning or dye extract, pigment, paint, varnish, filler or printing ink; an essential oil, perfume, cosmetic or toilet product; soap, a surface-active, washing, cleaning, polishing or wax product; a protein, modified starch, glue or enzyme; an explosive, pyrotechnic article, match or other specified combustible material; a photographic or cinematographic product; or another chemical product?
✓
Step 2 · Chapter 28 Inorganic chemicals; organic or inorganic compounds… 1 of 11 chapters in section VI
Which named chemical or chemical family best describes the product—for example a metal, acid, oxide, salt, isotope, compound or another substance listed under this category?
✓
Step 3 · Heading 2835 Phosphinates "hypophosphites", phosphonates "phosph… 35 of 50 headings under chapter 28
Is it a phosphinate or phosphonate; a phosphate of mono- or disodium, potassium, calcium hydrogen orthophosphate, another calcium phosphate, or another phosphate; sodium triphosphate; or another polyphosphate?
✓
Step 4 · Subheading 2835 29 Phosphates (excl. phosphates of monosodium, disodiu… 6 of 8 subheadings under heading 2835
Is it triammonium phosphate, a trisodium phosphate, or another phosphate that is not a mono- or disodium, potassium, calcium or mercury phosphate?

Full 8-digit codes

Pick the description that best matches your product.

3 codes below this one

Compare the sibling codes

2835 10 Phosphinates "hypophosphites" and phosphonates "phosphites" 5.5%
2835 22 Mono- or disodium phosphate 5.5%
2835 24 Phosphates of potassium 5.5%
2835 25 Calcium hydrogenorthophosphate "dicalcium phosphate" 5.5%
2835 26 Phosphates of calcium (excl. calcium hydrogenorthophosphate "dicalcium phosphate") 5.5%
2835 29 Phosphates (excl. phosphates of monosodium, disodium, potassium, calcium and mercury) you are here 5.3–5.5%
2835 31 Sodium triphosphate "sodium tripolyphosphate", whether or not chemically defined 5.5%
2835 39 Polyphosphates, whether or not chemically defined (excl. sodium triphosphate "sodium tripolyphosphate", and inorganic or organic compounds of mercury whether or not chemically defined) 5.5%

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

28.35.2900

Other

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

All 3 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

4.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 9, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 8 codes at this level

Previous code 2835 26

Phosphates of calcium (excl. calcium hydrogenorthophosphate "dicalciu…

you are here 2835 29

Phosphates (excl. phosphates of monosodium, disodium, potassium, calc…

Next code 2835 31

Sodium triphosphate "sodium tripolyphosphate", whether or not chemica…

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.