4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octaneCAS 824-11-3 · import duty, licences and trade rules in India

C6H11O3P · also called 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane, Trimethylolpropane cyclic phosphite (1:1), 1,1,1-Trishydroxymethylpropane bicyclic phosphite, 4-Ethyl-1-phospha-2,6,7-trioxabicyclo(2.2.2)octane
OK to trade, but watch: safety.
Import dutyOKAbout 27.73%HS 2920 29 (subheading)Rules in IndiaOKNo ban or licence; import paperwork appliesExportOKNo export licence neededSafetySTOPVery hazardous: strict controls needed

For trade in India: OK to trade, but watch: safety. Import duty is about 27.73% (tariff item 2920 29 (subheading)).

Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.

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Every answer, with its source

Rules in IndiaOK

No ban or licence; import paperwork applies
  • Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
  • On India’s hazardous chemicals list (MSIHC Rules 1989). Importers must send the State authorities the consignment details and full safety information before each import (30 days ahead where possible, never later than the import date) and keep import records.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013 · MSIHC Rules 1989 (as amended to 2000)

Exporting from IndiaOK

No export licence needed
  • Not on the SCOMET export-control list or the precursor export list.
  • The buyer’s country may still have its own import rules.
Source: DGFT SCOMET list · NDPS RCS Order 2013

Global treaties & export marketsOK

No treaty or export-market restriction found
  • Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
  • No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.
  • Active on the US TSCA Inventory, so it can be imported into the US without a new-chemical notice.
Source: Stockholm Convention, all listed POPs · Rotterdam Convention Annex III · Montreal Protocol annexes (ozone layer, Kigali HFCs) · US EPA TSCA Inventory · ECHA REACH lists, as published in PubChem

Import dutyOK

About 27.73% of the import value
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • The EU customs inventory (ECICS) classifies it under CN 2920 29 00, so its HS subheading is 2920 29.
  • India splits subheading 2920 29 into 4 lines: 2920 29 10 (Other › Dimethyl sulphate); 2920 29 20 (Other › Diethyl sulphate); 2920 29 30 (Other › Tris (2, 3 Dibromopropyl) phosphate); 2920 29 90 (Other › Other).
  • Basic customs duty 7.5% on every one of them; with social welfare surcharge and IGST 18% that makes about 27.73%.
  • Lines that name a chemical are for that chemical; one that no line names goes under "Other" (2920 29 90).
  • Confirm the exact 8-digit line with your customs broker before you import.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 02/2026-Customs (Budget 2026) · Finance Act 2026, Fifth Schedule (tariff rates from 1 May 2026) · Notification 9/2025-Integrated Tax (Rate) · EU customs inventory of chemicals (ECICS), European Commission

SafetySTOP

Very hazardous: strict controls needed
  • Poisonous, even in small amounts
  • Can cause long-term health damage
  • Fatal if swallowed
  • Toxic in contact with skin
  • Causes damage to organs
  • Always read the supplier’s safety data sheet (SDS) before handling.
Source: PubChem GHS classification

Storage, transport & PESOOK

Dangerous goods for transport
  • Ships as UN 3464 (Poison): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Source: UN numbers (CAMEO Chemicals, via PubChem)

Price and suppliersNO DATA

Not on RasayanXchange yet
  • Post a requirement and we will find suppliers for you.
Source: RasayanXchange market data

Key facts

CAS number824-11-3
FormulaC6H11O3P
Also called4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane, Trimethylolpropane cyclic phosphite (1:1), 1,1,1-Trishydroxymethylpropane bicyclic phosphite, 4-Ethyl-1-phospha-2,6,7-trioxabicyclo(2.2.2)octane
Tariff item (HS)2920 29 (subheading)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane

What is the import duty on 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane in India?

The total import duty on 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane is about 27.73% of the import value under tariff item 2920 29 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane?

No anti-dumping duty on 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane in India?

4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane falls under HS subheading 2920 29, as classified by the EU customs inventory (ECICS). India splits that subheading into several 8-digit lines; confirm the exact line with your customs broker.

Is 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane restricted or licensed in India?

No ban or licence; import paperwork applies. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. On India’s hazardous chemicals list (MSIHC Rules 1989). Importers must send the State authorities the consignment details and full safety information before each import (30 days ahead where possible, never later than the import date) and keep import records.

Does exporting 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane from India need a licence?

No export licence needed. Not on the SCOMET export-control list or the precursor export list.

Is 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane hazardous?

Very hazardous: strict controls needed. Poisonous, even in small amounts. Can cause long-term health damage. Fatal if swallowed.

Is 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane regulated under global treaties or in the EU and US?

No treaty or export-market restriction found. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.

1,3,2-Dioxathiolane, 2,2-dioxide1,3-Dioxolan-2-one, 4-fluoro-2,4,8,10-Tetraoxa-3,9-diphosphaspiro(5.5)undecane, 3,9-bis(2,4-bis(1-methyl-1-phenylethyl)phenoxy)-2-Ethylhexyl nitratealpha-EndosulfanAmmonium Lauryl SulfateAramiteAsponBis(2,4-di-tert-butyl-6-methyl phenyl) ethyl phosphiteBis(2,4-di-tert-butylphenyl)pentaerythritol diphosphiteBis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphiteBis(2-ethylhexyl) hydrogen phosphite

Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.