1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazoleCAS 50257-40-4 · import duty, licences and trade rules in India
For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2935 90 (subheading)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
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 marketsCHECK
- Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
- No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.
- Not on the US TSCA Inventory: EPA needs a premanufacture notice before it can be imported, unless it is a pesticide, drug or food additive, which TSCA does not cover.
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- The EU customs inventory (ECICS) classifies it under CN 2935 90 90, so its HS subheading is 2935 90.
- India splits subheading 2935 90 into 10 lines: 2935 90 11 (Sulphamethoxazole, sulphafurazole, sulphadiazine sulphadimidine, sulphacetamide ); 2935 90 12 (Sulphamethoxazole, sulphafurazole, sulphadiazine sulphadimidine, sulphacetamide ); 2935 90 13 (Sulphamethoxazole, sulphafurazole, sulphadiazine sulphadimidine, sulphacetamide ); 2935 90 14 (Sulphamethoxazole, sulphafurazole, sulphadiazine sulphadimidine, sulphacetamide ); 2935 90 15 (Sulphamethoxazole, sulphafurazole, sulphadiazine sulphadimidine, sulphacetamide ); 2935 90 21 (Sulphamethoxypyridarine, sulphamethiazole sulphamoxole, sulphamide › Sulphametho); and 4 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" (2935 90 90).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetyCHECK
- Irritates skin, eyes or breathing
- Causes skin irritation
- Causes serious eye irritation
- 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 | 50257-40-4 |
|---|---|
| Formula | C18H26N2O2S |
| Also called | 1-(2',4',6'-Triisopropylbenzenesulphonyl)imidazole, EINECS 256-509-5, 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole, 1H-Imidazole, 1-((2,4,6-triisopropylphenyl)sulfonyl)- |
| Tariff item (HS) | 2935 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 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole
What is the import duty on 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole in India?
The total import duty on 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole is about 27.73% of the import value under tariff item 2935 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 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole?
No anti-dumping duty on 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole in India?
1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole falls under HS subheading 2935 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 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole 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 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Causes skin irritation. Causes serious eye irritation.
Is 1-(2',4',6'-Triisopropylbenzenesulfonyl)imidazole regulated under global treaties or in the EU and US?
US: new chemical under TSCA. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.
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Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.