Code 2835 10 · Heading 2835

Phosphinates (hypophosphites) and phosphonates (phosphites)

This code covers phosphinates, also called hypophosphites, and phosphonates, also called phosphites. It does not cover the phosphate or polyphosphate groups named separately in the tariff tree.

For example

A hypophosphite chemical
A phosphite chemical

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Official tariff text

Phosphinates "hypophosphites" and phosphonates "phosphites"

The path to this code

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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 10 Phosphinates "hypophosphites" and phosphonates "pho… 1 of 8 subheadings under heading 2835
Is the product a phosphinate (hypophosphite) or a phosphonate (phosphite)?

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1 code below this one

2835 10 00 Phosphinates "hypophosphites" and phosphonates "phosphites" 5.5% Save

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Export to Norway

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

28.35.1000

Phosphinates (hypophosphites) and phosphonates (phosphites)

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. 3, 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 5 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. 3, 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).

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See all 8 codes at this level

you are here 2835 10

Phosphinates "hypophosphites" and phosphonates "phosphites"

Next code 2835 22

Mono- or disodium phosphate

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.