Dimethyl Sulfoxide (CAS 67-68-5): import duty, licences and trade rules in India
Dimethyl sulfoxide is a 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. 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 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 67-68-5 |
|---|---|
| Formula | C2H6OS |
| Also called | DMSO, Methylsulfinylmethane, Methyl sulfoxide, Dimethyl sulphoxide |
| Tariff item (HS) | 2930 (estimate) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
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).
- No tariff line names this chemical, so we worked out its likely heading from its structure: 2930, organo-sulphur compounds (sulphur bonded to carbon).
- All lines under heading 2930 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.
SafetyCHECK
- 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.
Storage, transport & PESOOK
- Ships as UN 2811 (Poison): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Price and suppliersOK
- 1 supplier on RasayanXchange (Gujarat).
US patentsOK
- Generic versions can be sold in the US.
- Indian patents are not checked.
Questions about Dimethyl Sulfoxide
What is the import duty on Dimethyl Sulfoxide in India?
The total import duty on Dimethyl Sulfoxide is about 27.73% of the import value under tariff item 2930 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Dimethyl Sulfoxide?
No anti-dumping duty on Dimethyl Sulfoxide was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Dimethyl Sulfoxide in India?
Dimethyl Sulfoxide falls under tariff item 2930 (estimate) of the Customs Tariff of India.
Is Dimethyl Sulfoxide 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 Dimethyl Sulfoxide from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Dimethyl Sulfoxide hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Causes skin irritation. Causes serious eye irritation.
Is Dimethyl Sulfoxide 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.