TriethoxysilaneCAS 998-30-1 · import duty, licences and trade rules in India
For trade in India: OK to trade, but watch: safety. Import duty is about 27.73% (tariff item 2920 90 00).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What Triethoxysilane is, its uses, properties and related chemicals: Triethoxysilane 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.
- On India’s hazardous chemicals list (MSIHC Rules 1989). Importers must send the State authorities the consignment details and full safety information before each import (30 days ahead where possible, never later than the import date) and keep import records.
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 marketsOK
- Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
- Registered under EU REACH, so EU importers can buy it under an existing registration.
- 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 ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- Made up of basic customs duty 7.5%, social welfare surcharge 0.75% and IGST 18%. IGST can usually be claimed back as input tax credit.
- Tariff item 2920 90 00: Esters of other inorganicacids, other.
- No Indian tariff line names this chemical. The EU customs inventory (ECICS) classifies it under CN 2920 90 70, which is HS subheading 2920 90; India has one line under that subheading, so this is its line.
SafetySTOP
- Catches fire easily
- Burns skin and eyes, eats into metal
- Poisonous, even in small amounts
- Irritates skin, eyes or breathing
- Flammable liquid and vapor
- Self-heating in large quantities; may catch fire
- In contact with water releases flammable gases which may ignite spontaneously
- Harmful if swallowed
- Causes severe skin burns and eye damage
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Flash point about 26 °C (Hazardous Substances Data Bank (HSDB)).
- It is not a hydrocarbon, so the Petroleum Rules do not class it; storage still follows the state fire service’s rules and the factory licence.
- Ships as UN 2929 / UN 3384 (Poison Inhalation Hazard Flammable Liquid): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Key facts
| CAS number | 998-30-1 |
|---|---|
| Formula | C6H16O3Si |
| Also called | RefChem:899464, Silane, triethoxy-, Triethoxysilane, hydridotriethoxysilane |
| Tariff item (HS) | 2920 90 00 |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about Triethoxysilane
What is the import duty on Triethoxysilane in India?
The total import duty on Triethoxysilane is about 27.73% of the import value under tariff item 2920 90 00, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Triethoxysilane?
No anti-dumping duty on Triethoxysilane was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Triethoxysilane in India?
Triethoxysilane falls under tariff item 2920 90 00 of the Customs Tariff of India.
Is Triethoxysilane restricted or licensed in India?
No ban or licence; import paperwork applies. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. On India’s hazardous chemicals list (MSIHC Rules 1989). Importers must send the State authorities the consignment details and full safety information before each import (30 days ahead where possible, never later than the import date) and keep import records.
Does exporting Triethoxysilane from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Triethoxysilane hazardous?
Very hazardous: strict controls needed. Catches fire easily. Burns skin and eyes, eats into metal. Poisonous, even in small amounts.
Is Triethoxysilane 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). Registered under EU REACH, so EU importers can buy it under an existing registration.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.