Dibutyltin maleateCAS 78-04-6 · import duty, licences and trade rules in India
For trade in India: OK to trade, but watch: global treaties & export markets; safety. Import duty is about 27.73% (tariff item 2931 90 (subheading)). EU CMR classification: Repr. 1B.
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What Dibutyltin maleate is, its uses, properties and related chemicals: Dibutyltin maleate 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).
- 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.
- EU: harmonised classification as a reproductive toxicant category 1B (CLP Annex VI, index 050-034-00-5). It may not be sold to the general public in the EU as such or in mixtures above the limit (REACH Annex XVII, entries 28-30), and its use at work must be minimised.
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.
SafetySTOP
- Burns skin and eyes, eats into metal
- Poisonous, even in small amounts
- Irritates skin, eyes or breathing
- Can cause long-term health damage
- Harmful to fish and water life
- Harmful if swallowed
- Causes severe skin burns and eye damage
- May cause an allergic skin reaction
- Causes serious eye damage
- Fatal if inhaled
- 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 | 78-04-6 |
|---|---|
| Formula | C12H20O4Sn |
| Also called | 1,3,2-Dioxastannepin-4,7-dione, 2,2-dibutyl-, Dibutyltin maleate, Di-n-butyl(maleate)tin, C12H20O4Sn |
| 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 |
| EU CMR classification | Repr. 1B |
Questions about Dibutyltin maleate
What is the import duty on Dibutyltin maleate in India?
The total import duty on Dibutyltin maleate 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 Dibutyltin maleate?
No anti-dumping duty on Dibutyltin maleate was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Dibutyltin maleate in India?
Dibutyltin maleate 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 Dibutyltin maleate 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 Dibutyltin maleate from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Dibutyltin maleate hazardous?
Very hazardous: strict controls needed. Burns skin and eyes, eats into metal. Poisonous, even in small amounts. Irritates skin, eyes or breathing.
Is Dibutyltin maleate regulated under global treaties or in the EU and US?
EU: classified carcinogen, mutagen or reproductive toxicant. 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.