Chromone (CAS 491-38-3): import duty, licences and trade rules in India

Chromone is the simplest member of the class of chromones that is 4H-chromene with an oxo group at position 4. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2932 (estimate)).

OK to trade, but watch: global treaties & export markets.

Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.

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Key facts

CAS number491-38-3
FormulaC9H6O2
Also called4H-Chromen-4-one, 4-Chromone, Chromen-4-one, Benzo-gamma-pyrone
Tariff item (HS)2932 (estimate)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Every answer, with its source

Rules in IndiaOK

No special Indian ban or licence found
  • Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
  • Normal factory, storage and GST rules still apply.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013

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 marketsCHECK

US: new chemical under TSCA
  • 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.
  • Not on the US TSCA Inventory: EPA needs a premanufacture notice before it can be imported, unless it is a pesticide, drug or food additive, which TSCA does not cover.

Import dutyOK

About 27.73% of the import value (estimate)
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • No tariff line names this chemical, so we worked out its likely heading from its structure: 2932, heterocyclic compounds with oxygen hetero-atom(s) only (ring containing oxygen).
  • All lines under heading 2932 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
  • Confirm the exact 8-digit code with your customs broker before you import.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 9/2025-Integrated Tax (Rate)

SafetyCHECK

Hazardous: take normal precautions
  • Irritates skin, eyes or breathing
  • Causes skin irritation
  • Causes serious eye irritation
  • May cause respiratory irritation
  • Always read the supplier’s safety data sheet (SDS) before handling.

Price and suppliersNO DATA

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Questions about Chromone

What is the import duty on Chromone in India?

The total import duty on Chromone is about 27.73% of the import value under tariff item 2932 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Chromone?

No anti-dumping duty on Chromone was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of Chromone in India?

Chromone falls under tariff item 2932 (estimate) of the Customs Tariff of India.

Is Chromone restricted or licensed in India?

No special Indian ban or licence found. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. Normal factory, storage and GST rules still apply.

Does exporting Chromone from India need a licence?

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

Is Chromone hazardous?

Hazardous: take normal precautions. Irritates skin, eyes or breathing. Causes skin irritation. Causes serious eye irritation.

Is Chromone regulated under global treaties or in the EU and US?

US: new chemical under TSCA. 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.

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