3-Mercapto-2-butanoneCAS 40789-98-8 · import duty, licences and trade rules in India
3-Mercapto-2-butanone is a ketone. For trade in India: No ban or licence needed. Normal trade rules apply; handle as its safety advice says. Import duty is about 27.73% (tariff item 2930 90 (subheading)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What 3-Mercapto-2-butanone is, its uses, properties and related chemicals: 3-Mercapto-2-butanone on ChemXpress →
Every answer, with its source
Rules in IndiaOK
- Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
- Normal factory, storage and GST rules still apply.
Exporting from IndiaOK
- Not on the SCOMET export-control list or the precursor export list.
- The buyer’s country may still have its own import rules.
Global treaties & export marketsOK
- 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.
- Listed on the Australian Inventory of Industrial Chemicals (AICIS), so it can be introduced into Australia as an existing industrial chemical.
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- The EU customs inventory (ECICS) classifies it under CN 2930 90 95, so its HS subheading is 2930 90.
- India splits subheading 2930 90 into 16 lines: 2930 90 10 (Other › Thiourea (sulphourea)); 2930 90 20 (Other › Calcium salts of methionine); 2930 90 30 (Other › Thio sulphonic acid); 2930 90 40 (Other › L-cystine (alpha-amino beta-thiopropionic acid)-sulphur containing amino); 2930 90 50 (Other › Sulphinic acid); 2930 90 60 (Other › Sulphoxide); and 10 more.
- 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" (2930 90 99).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetyCHECK
- Catches fire easily
- Irritates skin, eyes or breathing
- Flammable liquid and vapor
- Harmful if swallowed
- Causes skin irritation
- Causes serious eye irritation
- Harmful if inhaled
- Always read the supplier’s safety data sheet (SDS) before handling.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Key facts
| CAS number | 40789-98-8 |
|---|---|
| Formula | C4H8OS |
| Also called | 2-Mercapto-3-butanone, 3-sulfanylbutan-2-one, 2-BUTANONE, 3-MERCAPTO-, FEMA No. 3298 |
| Tariff item (HS) | 2930 90 (subheading) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about 3-Mercapto-2-butanone
What is the import duty on 3-Mercapto-2-butanone in India?
The total import duty on 3-Mercapto-2-butanone is about 27.73% of the import value under tariff item 2930 90 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on 3-Mercapto-2-butanone?
No anti-dumping duty on 3-Mercapto-2-butanone was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of 3-Mercapto-2-butanone in India?
3-Mercapto-2-butanone falls under HS subheading 2930 90, 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 3-Mercapto-2-butanone 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 3-Mercapto-2-butanone from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is 3-Mercapto-2-butanone hazardous?
Hazardous: take normal precautions. Catches fire easily. Irritates skin, eyes or breathing. Flammable liquid and vapor.
Is 3-Mercapto-2-butanone 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). 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.