N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamideCAS 77377-52-7 · import duty, licences and trade rules in India
N-(tert-butyldimethylsilyl)-N-methyltrifluoroacetamide is an N-silyl compound that is N-methyltrifluoroacetamide in which the amide nitrogen is replaced by a tert-butyldimethylsilyl group. For trade in India: OK to trade, but watch: global treaties & export markets. 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.
What N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide is, its uses, properties and related chemicals: N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide 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).
- 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
- 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
- Post a requirement and we will find suppliers for you.
Key facts
| CAS number | 77377-52-7 |
|---|---|
| Formula | C9H18F3NOSi |
| Also called | N-(tert-Butyldimethylsilyl)-N-methyltrifluoroacetamide, N-methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide, CHEBI:85060, Acetamide, N-[(1,1-dimethylethyl)dimethylsilyl]-2,2,2-trifluoro-N-methyl- |
| Tariff item (HS) | 2931 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 N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide
What is the import duty on N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide in India?
The total import duty on N-Methyl-N-(tert-butyldimethylsilyl)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-(tert-butyldimethylsilyl)trifluoroacetamide?
No anti-dumping duty on N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide in India?
N-Methyl-N-(tert-butyldimethylsilyl)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-(tert-butyldimethylsilyl)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-(tert-butyldimethylsilyl)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-(tert-butyldimethylsilyl)trifluoroacetamide hazardous?
Hazardous: take normal precautions. Catches fire easily. Irritates skin, eyes or breathing. Flammable liquid and vapor.
Is N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide 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.