N-methyl-N-(trimethylsilyl)trifluoroacetamideCAS 24589-78-4 · import duty, licences and trade rules in India

C6H12F3NOSi · also called MSTFA, N-Methyl-N-trimethylsilyltrifluoroacetamide, ACETAMIDE, 2,2,2-TRIFLUORO-N-METHYL-N-(TRIMETHYLSILYL)-, N-methyl(trimethylsilyl)trifluoroacetamide
No ban or licence needed. Normal trade rules apply; handle as its safety advice says.
Import dutyOKAbout 27.73%HS 2931 90 (subheading)Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKHazardous: take normal precautions

N-methyl-N-(trimethylsilyl)trifluoroacetamide is an N-silyl compound that is N-methyltrifluoroacetamide in which the amide nitrogen is replaced by a trimethylsilyl group. 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 2931 90 (subheading)).

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

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What N-methyl-N-(trimethylsilyl)trifluoroacetamide is, its uses, properties and related chemicals: N-methyl-N-(trimethylsilyl)trifluoroacetamide on ChemXpress →

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 marketsOK

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).
  • 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.
  • 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.

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 2931 90 00, so its HS subheading is 2931 90.
  • India splits subheading 2931 90 into 9 lines: 2931 90 11 (Organo-arsenic compounds › Methylarsonic acid and its salt); 2931 90 12 (Organo-arsenic compounds › Cacodylic acid and its salt); 2931 90 13 (Organo-arsenic compounds › p-Aminophenylarsonic acid and its salt); 2931 90 14 (Organo-arsenic compounds › Amino-hydroxyphenylarsonic acids, their formyl and ac); 2931 90 15 (Organo-arsenic compounds › Arsenobenzene and its derivatives); 2931 90 19 (Organo-arsenic compounds › Other); and 3 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" (2931 90 19, 2931 90 90).
  • Confirm the exact 8-digit line with your customs broker before you import.

SafetyCHECK

Hazardous: take normal precautions
  • Catches fire easily
  • Irritates skin, eyes or breathing
  • Flammable liquid and vapor
  • 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

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  • Post a requirement and we will find suppliers for you.

Key facts

CAS number24589-78-4
FormulaC6H12F3NOSi
Also calledMSTFA, N-Methyl-N-trimethylsilyltrifluoroacetamide, ACETAMIDE, 2,2,2-TRIFLUORO-N-METHYL-N-(TRIMETHYLSILYL)-, N-methyl(trimethylsilyl)trifluoroacetamide
Tariff item (HS)2931 90 (subheading)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about N-methyl-N-(trimethylsilyl)trifluoroacetamide

What is the import duty on N-methyl-N-(trimethylsilyl)trifluoroacetamide in India?

The total import duty on N-methyl-N-(trimethylsilyl)trifluoroacetamide is about 27.73% of the import value under tariff item 2931 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 N-methyl-N-(trimethylsilyl)trifluoroacetamide?

No anti-dumping duty on N-methyl-N-(trimethylsilyl)trifluoroacetamide was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of N-methyl-N-(trimethylsilyl)trifluoroacetamide in India?

N-methyl-N-(trimethylsilyl)trifluoroacetamide falls under HS subheading 2931 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 N-methyl-N-(trimethylsilyl)trifluoroacetamide 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 N-methyl-N-(trimethylsilyl)trifluoroacetamide from India need a licence?

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

Is N-methyl-N-(trimethylsilyl)trifluoroacetamide hazardous?

Hazardous: take normal precautions. Catches fire easily. Irritates skin, eyes or breathing. Flammable liquid and vapor.

Is N-methyl-N-(trimethylsilyl)trifluoroacetamide 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). 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.