Sulfur Dioxide (CAS 7446-09-5): import duty, licences and trade rules in India
Sulfur dioxide is a sulfur oxide. 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 2811 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 7446-09-5 |
|---|---|
| Formula | O2S |
| Also called | sulphur dioxide, Sulfurous anhydride, Sulfurous oxide, Fermenicide liquid |
| Tariff item (HS) | 2811 (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.
- 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 20 t or more on one site brings the major-accident rules (notify the site, safety audits, emergency plans); 250t or more also needs a safety report.
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.
- EU: harmonised classification (CLP Annex VI, index 016-011-00-9): Press. Gas, Acute Tox. 3, STOT SE 1. Suppliers in the EU must label it this way.
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 name: 2811, other inorganic acids and inorganic oxygen compounds of non-metals (named compound).
- All lines under heading 2811 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
- Gas under pressure
- Burns skin and eyes, eats into metal
- Poisonous, even in small amounts
- Contains gas under pressure; may explode if heated
- Causes severe skin burns and eye damage
- Toxic if inhaled
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Ships as UN 1079 (Poison Gas Corrosive): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Questions about Sulfur Dioxide
What is the import duty on Sulfur Dioxide in India?
The total import duty on Sulfur Dioxide is about 27.73% of the import value under tariff item 2811 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Sulfur Dioxide?
No anti-dumping duty on Sulfur Dioxide was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Sulfur Dioxide in India?
Sulfur Dioxide falls under tariff item 2811 (estimate) of the Customs Tariff of India.
Is Sulfur Dioxide 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 Sulfur Dioxide from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Sulfur Dioxide hazardous?
Dangerous: handle with proper protection. Gas under pressure. Burns skin and eyes, eats into metal. Poisonous, even in small amounts.
Is Sulfur Dioxide 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.