AsponCAS 3244-90-4 · import duty, licences and trade rules in India
For trade in India: OK to trade, but watch: global treaties & export markets; import duty. Import duty is about 30.98% (tariff item 2920 19 (subheading)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
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.
- EU: harmonised classification (CLP Annex VI, index 015-081-00-8): Acute Tox. 4, Aquatic Acute 1, Aquatic Chronic 1. Suppliers in the EU must label it this way.
Import dutyCHECK
- About ₹30,980 duty on every ₹1,00,000 of import value (CIF). Some lines under this subheading pay a different rate.
- The EU customs inventory (ECICS) classifies it under CN 2920 19 00, so its HS subheading is 2920 19.
- India splits subheading 2920 19 into 2 lines: 2920 19 20 (Other › Thiophosphoric ester (phosphorothioates) and their salts, their halogena); 2920 19 90 (Other › Other), duty 7.5%.
- Basic customs duty 10% on 1 of them; with social welfare surcharge and IGST 18% that makes about 30.98%.
- Lines that name a chemical are for that chemical; one that no line names goes under "Other" (2920 19 90).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetyCHECK
- Irritates skin, eyes or breathing
- Harmful to fish and water life
- Harmful if swallowed or in contact with skin
- Harmful if swallowed
- Harmful in contact with skin
- Very toxic to aquatic life
- Very toxic to aquatic life with long lasting effects
- 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 | 3244-90-4 |
|---|---|
| Formula | C12H28O5P2S2 |
| Also called | Stauffer asp-51, Tetra-n-propyl dithiopyrophosphate, O,O,O,O-Tetrapropyl dithiopyrophosphate, ASP 51 |
| Tariff item (HS) | 2920 19 (subheading) |
| Total import duty | about 30.98% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about Aspon
What is the import duty on Aspon in India?
The total import duty on Aspon is about 30.98% of the import value under tariff item 2920 19 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Aspon?
No anti-dumping duty on Aspon was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Aspon in India?
Aspon falls under HS subheading 2920 19, 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 Aspon 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 Aspon from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Aspon hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful to fish and water life. Harmful if swallowed or in contact with skin.
Is Aspon 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.