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HS Code 2920Esters of other inorganic acids of non-metals (other than of hydrogen halides) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives

9 six-digit codes · Heading 20 of 42 in Chapter 29 · World Customs Organization Harmonized System

HS code 2920 is where customs places inorganic acid esters. This page explains each code in plain words and shows how to pick the right one.

Heading 2920 is finely cut: 9 six-digit codes, 292011 to 292090, all of them under “Esters of other inorganic acids of non-metals (other than of hydrogen halides) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives”. At that depth it is the exact wording of the code, not of the heading, that settles a classification. The heading is number 20 of 42 in Chapter 29, Organic chemicals, which runs to 410 six-digit codes in all.

Six-digit codes under heading 2920

HS CodeImport–export description
292011Esters; thiophosphoric esters (phosphorothioates) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, parathion (iso) and parathion-methyl (iso) (methyl-parathion)
292019Esters; thiophosphoric esters (phosphorothioates) and their salts; other than parathion (iso) and parathion-methyl (iso) (methyl-parathion)
292021Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, dimethyl phosphite
292022Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite
292023Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, trimethyl phosphite
292024Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite
292029Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920
292030Esters; of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, endosulfan (iso)
292090Esters; other than thiophosphoric esters (phosphorothioates) and phosphite esters and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920

What HS code 2920 covers

An ester forms when an acid reacts with an alcohol. Here the acid is an inorganic acid of a non-metal. Esters of hydrogen halides are left out of this heading.

The heading also takes the salts of these esters. It takes versions changed by halogenation, sulphonation, nitration or nitrosation too. In India the same number is called HSN code 2920.

The heading belongs to the wider family of Chapter 29 organic chemicals. Use that page if you need to compare it with the other headings there.

Six-digit codes under heading 2920, in plain groups

The long legal wording hides a simple pattern. The codes fall into four groups, and the named substance usually tells you where to look.

  • Thiophosphoric esters (phosphorothioates): one code is set aside for parathion and parathion-methyl. A second code catches every other thiophosphoric ester.
  • Phosphite esters: dimethyl, diethyl, trimethyl and triethyl phosphite each get their own code. A fifth code takes any other phosphite ester.
  • Endosulfan: this pesticide has a code to itself. It is the only substance in the heading with that treatment.
  • Everything else: the last code is for esters that are neither thiophosphoric nor phosphite esters.

How to choose the right 2920 subheading

Start with the exact name on the invoice or the safety data sheet. A product name is more useful than a trade name or a brand.

Ask first if the product is a thiophosphoric ester. If it is parathion or parathion-methyl, take the code that names them. If it is any other thiophosphoric ester, take the next code up.

Then ask if it is a phosphite ester. Pick the named phosphite code if your product matches one. Otherwise use the code for other phosphite esters.

Endosulfan goes to its own code. An ester that fits none of these ends up in the last code, the catch-all.

If you are still unsure, the HS code classifier can help you narrow it down. The final call always rests on the exact code wording and your customs authority.

HS 2920 vs nearby headings 2930 and 2931

Check the product is really an ester. A compound that contains sulphur but is not an ester may belong in HS 2930 organo-sulphur compounds. A compound that links carbon to another element, such as phosphorus or silicon, without being an ester may fit HS 2931 other organo-inorganic compounds.

Acids and their direct derivatives sit earlier in the chapter. For example, HS 2915 saturated acyclic monocarboxylic acids covers a different kind of acid.

HS code 2920 import and export data

Knowing the code is only the first step. The next question is usually who trades the product. EximDataX shows shipment-level import and export records from official customs sources. Coverage: 43 direct customs feeds plus 184 mirror-derived countries.

Named buyers and named suppliers are available in 38 of the 43 direct markets. Most markets refresh weekly and some refresh daily. You can search by HS code to see who imports and exports a product, and book a free demo.

Use 2920 or any of its six-digit codes as your search term. The live records sit behind the search, not on this page.

Who ships under 2920?

EximDataX tracks the live import–export records filed under this heading and the 9 codes beneath it: named buyers, suppliers, quantities and values from official customs feeds.

See live data for 2920

Section VI: Products of the Chemical or Allied Industries, chapters 28–38.

Straight answers

HS Code 2920: common questions

What is the difference between HS 2919 and HS 2920?

HS 2919 holds esters of phosphoric acid. HS 2920 holds esters of other inorganic acids of non-metals, such as phosphorous and thiophosphoric acid.

What is the HS code for dimethyl phosphite?

Use 292021.

What is the HS code for triethyl phosphite?

Use 292024.

Which HS code covers parathion and parathion-methyl?

Both fall under 292011, which names them directly.

What is the HS code for endosulfan?

It is 292030.

See what your buyers are buying.Then decide.

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