6,13-Bis(triisopropylsilylethynyl)pentaceneCAS 373596-08-8 · 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 2931 (estimate)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What 6,13-Bis(triisopropylsilylethynyl)pentacene is, its uses, properties and related chemicals: 6,13-Bis(triisopropylsilylethynyl)pentacene 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 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).
- No tariff line names this chemical, so we worked out its likely heading from its structure: 2931, other organo-inorganic compounds (e.g. organo-phosphorus, organo-silicon) (phosphorus, silicon or boron bonded to carbon).
- All lines under heading 2931 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
- No 8-digit line under heading 2931 names it, so it falls under one of its "Other" lines: 2931 49 90 (5-yl)methyl] methylphosphonate. › Other); 2931 59 00 (Halogenated organo-phosphorous derivatives › Other); 2931 90 19 (Organo-arsenic compounds › Other); 2931 90 90 (Other: kg. 7.5% - › Other). The other 25 lines are for named chemicals; which "Other" line applies depends on the exact structure.
- 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.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Key facts
| CAS number | 373596-08-8 |
|---|---|
| Formula | C44H54Si2 |
| Also called | RefChem:538411, TIPS-pentacene, 6,13-Bis((triisopropylsilyl)ethynyl)pentacene, TIPS Pentacene |
| Tariff item (HS) | 2931 (estimate) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about 6,13-Bis(triisopropylsilylethynyl)pentacene
What is the import duty on 6,13-Bis(triisopropylsilylethynyl)pentacene in India?
The total import duty on 6,13-Bis(triisopropylsilylethynyl)pentacene is about 27.73% of the import value under tariff item 2931 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on 6,13-Bis(triisopropylsilylethynyl)pentacene?
No anti-dumping duty on 6,13-Bis(triisopropylsilylethynyl)pentacene was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of 6,13-Bis(triisopropylsilylethynyl)pentacene in India?
6,13-Bis(triisopropylsilylethynyl)pentacene falls under tariff item 2931 (estimate) of the Customs Tariff of India.
Is 6,13-Bis(triisopropylsilylethynyl)pentacene 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 6,13-Bis(triisopropylsilylethynyl)pentacene from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is 6,13-Bis(triisopropylsilylethynyl)pentacene hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Causes skin irritation. Causes serious eye irritation.
Is 6,13-Bis(triisopropylsilylethynyl)pentacene 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.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.