WarfarinCAS 81-81-2 · import duty, licences and trade rules in India
4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one is a member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. For trade in India: Stop and check: banned in India as a pesticide. Import duty is about 27.73% (tariff item 2932 20 (subheading)). EU CMR classification: Repr. 1A.
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
Every answer, with its source
Rules in IndiaSTOP
- Withdrawn: S.O. 915 (E) dated 15th June 2006
- The ban covers use as a pesticide. Other industrial, laboratory or medical uses are governed by their own rules.
- 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.
- Holding 100 kg or more on one site brings the major-accident rules (notify the site, safety audits, emergency plans).
Exporting from IndiaOK
- Not on the SCOMET export-control list or the precursor export list.
- Not approved as a pesticide in the EU: food sent there must carry almost none of it.
- The buyer’s country may still have its own import rules.
Global treaties & export marketsCHECK
- Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
- Registered under EU REACH, so EU importers can buy it under an existing registration.
- Active on the US TSCA Inventory, so it can be imported into the US without a new-chemical notice.
- EU: harmonised classification as a reproductive toxicant category 1A (CLP Annex VI, index 607-056-00-0). It may not be sold to the general public in the EU as such or in mixtures above the limit (REACH Annex XVII, entries 28-30), and its use at work must be minimised.
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- The EU customs inventory (ECICS) classifies it under CN 2932 20 90, so its HS subheading is 2932 20.
- India splits subheading 2932 20 into 3 lines: 2932 20 10 (Lactones › Coumarin, methylcoumarins and ethylcoumarins); 2932 20 20 (Lactones › Phenolphthalein); 2932 20 90 (Lactones › 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" (2932 20 90).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetySTOP
- Poisonous, even in small amounts
- Irritates skin, eyes or breathing
- Can cause long-term health damage
- Harmful to fish and water life
- Fatal if swallowed
- Fatal in contact with skin
- Harmful in contact with skin
- Causes serious eye irritation
- Fatal if inhaled
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Ships as UN 3027 (Poison): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Food residue limitsCHECK
- India (FSSAI) has no specific limit, so the default 0.01 mg/kg applies to food.
- EU: not approved; most EU food limits are at the detection limit.
- US: no tolerance under this name in 40 CFR Part 180; without a tolerance or an exemption, residues are not allowed in food sold in the US.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
US patentsOK
- Generic versions can be sold in the US.
- Indian patents are not checked.
Key facts
| CAS number | 81-81-2 |
|---|---|
| Formula | C19H16O4 |
| Also called | Coumafene, Zoocoumarin, Coumafen, Coumefene |
| Tariff item (HS) | 2932 20 (subheading) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
| EU CMR classification | Repr. 1A |
Questions about Warfarin
What is the import duty on Warfarin in India?
The total import duty on Warfarin is about 27.73% of the import value under tariff item 2932 20 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Warfarin?
No anti-dumping duty on Warfarin was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Warfarin in India?
Warfarin falls under HS subheading 2932 20, 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 Warfarin restricted or licensed in India?
Banned in India as a pesticide. Withdrawn: S.O. 915 (E) dated 15th June 2006. The ban covers use as a pesticide. Other industrial, laboratory or medical uses are governed by their own rules.
Does exporting Warfarin from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Warfarin hazardous?
Very hazardous: strict controls needed. Poisonous, even in small amounts. Irritates skin, eyes or breathing. Can cause long-term health damage.
Is Warfarin regulated under global treaties or in the EU and US?
EU: classified carcinogen, mutagen or reproductive toxicant. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). Registered under EU REACH, so EU importers can buy it under an existing registration.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.