ThialdineCAS 638-17-5 · import duty, licences and trade rules in India

C6H13NS2 · also called 5,6-Dihydro-2,4,6-trimethyl-1,3,5-dithiazine, 4H-1,3,5-Dithiazine, dihydro-2,4,6-trimethyl-, EINECS 211-323-3, (4R,6S)-2,4,6-trimethyl-1,3,5-dithiazinane
OK to trade, but watch: global treaties & export markets.
Import dutyOKAbout 27.73%HS 2934 99 (subheading)Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKHazardous: take normal precautions

For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2934 99 (subheading)).

Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.

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Every answer, with its source

Rules in IndiaOK

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.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013

Exporting from IndiaOK

No export licence needed
  • Not on the SCOMET export-control list or the precursor export list.
  • The buyer’s country may still have its own import rules.
Source: DGFT SCOMET list · NDPS RCS Order 2013

Global treaties & export marketsCHECK

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.
  • 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.
  • Listed on the Australian Inventory of Industrial Chemicals (AICIS), so it can be introduced into Australia as an existing industrial chemical.

Import dutyOK

About 27.73% of the import value
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • The EU customs inventory (ECICS) classifies it under CN 2934 99 90, so its HS subheading is 2934 99.
  • India splits subheading 2934 99 into 4 lines: 2934 99 10 (Other › Chloro thiophene-2-carboxylic acid); 2934 99 20 (Other › Morpholine); 2934 99 30 (Other › Buprofezin (ISO)); 2934 99 90 (Other › Other).
  • 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" (2934 99 90).
  • Confirm the exact 8-digit line with your customs broker before you import.

SafetyCHECK

Hazardous: take normal precautions
  • Irritates skin, eyes or breathing
  • May cause respiratory irritation
  • Always read the supplier’s safety data sheet (SDS) before handling.

Price and suppliersNO DATA

Not on RasayanXchange yet
  • Post a requirement and we will find suppliers for you.

Key facts

CAS number638-17-5
FormulaC6H13NS2
Also called5,6-Dihydro-2,4,6-trimethyl-1,3,5-dithiazine, 4H-1,3,5-Dithiazine, dihydro-2,4,6-trimethyl-, EINECS 211-323-3, (4R,6S)-2,4,6-trimethyl-1,3,5-dithiazinane
Tariff item (HS)2934 99 (subheading)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about Thialdine

What is the import duty on Thialdine in India?

The total import duty on Thialdine is about 27.73% of the import value under tariff item 2934 99 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Thialdine?

No anti-dumping duty on Thialdine was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of Thialdine in India?

Thialdine falls under HS subheading 2934 99, 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 Thialdine 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 Thialdine from India need a licence?

No export licence needed. Not on the SCOMET export-control list or the precursor export list.

Is Thialdine hazardous?

Hazardous: take normal precautions. Irritates skin, eyes or breathing. May cause respiratory irritation. Always read the supplier’s safety data sheet (SDS) before handling.

Is Thialdine 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.

Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.