Sulfamic Acid (CAS 5329-14-6): import duty, licences and trade rules in India
Sulfamic acid is the simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to hydroxy and amino groups and by double bonds to two oxygen atoms. 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 | 5329-14-6 |
|---|---|
| Formula | H3NO3S |
| Also called | Amidosulfonic acid, Sulphamic acid, Amidosulfuric acid, Aminosulfonic acid |
| 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.
- 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.
- EU: harmonised classification (CLP Annex VI, index 016-026-00-0): Eye Irrit. 2, Skin Irrit. 2, Aquatic Chronic 3. 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
- Irritates skin, eyes or breathing
- Can cause long-term health damage
- Causes skin irritation
- Causes serious eye irritation
- Causes damage to organs through prolonged or repeated exposure
- Harmful to aquatic life with long lasting effects
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Ships as UN 2967 (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 Sulfamic Acid
What is the import duty on Sulfamic Acid in India?
The total import duty on Sulfamic Acid 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 Sulfamic Acid?
No anti-dumping duty on Sulfamic Acid was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Sulfamic Acid in India?
Sulfamic Acid falls under tariff item 2811 (estimate) of the Customs Tariff of India.
Is Sulfamic Acid 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 Sulfamic Acid from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Sulfamic Acid hazardous?
Dangerous: handle with proper protection. Irritates skin, eyes or breathing. Can cause long-term health damage. Causes skin irritation.
Is Sulfamic Acid 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.