Code 2920 29 · Heading 2920

Phosphite esters, their salts and specified derivatives, excluding four named phosphites

This code covers phosphite esters, their salts, and halogen-, sulfo-, nitro- or nitroso derivatives of them. It does not cover dimethyl, diethyl, trimethyl or triethyl phosphite.

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See the official tariff text

Official tariff text

Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. dimethyl, diethyl, trimethyl and triethyl phosphites)

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 29 Organic chemicals 2 of 11 chapters in section VI
What type of organic chemical is it—for example, a hydrocarbon, alcohol, acid, nitrogen compound, sulfur compound, heterocyclic compound, vitamin, hormone, glycoside, plant alkaloid, sugar, antibiotic or another listed organic compound?
✓
Step 3 · Heading 2920 Esters of inorganic acids of non-metals and their s… 20 of 42 headings under chapter 29
Which type is the product: parathion or methyl parathion; a thiophosphoric-acid ester or related salt or derivative; dimethyl, diethyl, trimethyl or triethyl phosphite; another phosphite ester, salt or derivative; endosulfan; or another product in this group?
✓
Step 4 · Subheading 2920 29 Phosphite esters and their salts; their halogenated… 7 of 9 subheadings under heading 2920
Is the product a phosphite ester, a salt of one, or a halogen-, sulfo-, nitro- or nitroso derivative of one, and is it not dimethyl, diethyl, trimethyl or triethyl phosphite?

Full 8-digit codes

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1 code below this one

2920 29 00 Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. dimethyl, diethyl, trimethyl and triethyl phosphites) 6.5% Save

Compare the sibling codes

2920 11 Parathion "ISO" and parathion-methyl "ISO" "methyl-parathion" 6.5%
2920 19 Thiophosphoric esters "phosphorothioates" and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. parathion [ISO] and parathion-methyl [ISO] [methyl-parathion]) 6.5%
2920 21 Dimethyl phosphite 6.5%
2920 22 Diethyl phosphite 6.5%
2920 23 Trimethyl phosphite 6.5%
2920 24 Triethyl phosphite 6.5%
2920 29 Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. dimethyl, diethyl, trimethyl and triethyl phosphites) you are here 6.5%
2920 30 Endosulfan "ISO" 6.5%
2920 90 Esters of inorganic acids of non-metals and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. esters of hydrogen halides, phosphoric esters, phosphite esters, and thiophosphoric esters "phosphorothioates", their salts and their halogenated, sulphonated, nitrated or nitrosated derivatives, endosulfan "ISO" and inorganic or organic compounds of mercury) 6.5%

Export to Norway

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

29.20.2900

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. 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 8 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

6.0%

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).

Check the neighbouring codes

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

See all 9 codes at this level

Previous code 2920 24

Triethyl phosphite

you are here 2920 29

Phosphite esters and their salts; their halogenated, sulphonated, nit…

Next code 2920 30

Endosulfan "ISO"

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.