Pyrophosphoric acid (CAS 2466-09-3): import duty, licences and trade rules in India
Diphosphoric acid is an acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2809 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 2466-09-3 |
|---|---|
| Formula | H4O7P2 |
| Also called | Pyrophosphoric acid, phosphono dihydrogen phosphate, (phosphonooxy)phosphonic acid, CHEBI:29888 |
| Tariff item (HS) | 2809 (estimate) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
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.
- 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).
- No tariff line names this chemical, so we worked out its likely heading from its name: 2809, phosphorus pentoxide; phosphoric and polyphosphoric acids (named compound).
- 2 of 3 lines under heading 2809 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
- Confirm the exact 8-digit code with your customs broker before you import.
SafetyCHECK
- Burns skin and eyes, eats into metal
- Irritates skin, eyes or breathing
- Harmful if swallowed
- Causes severe skin burns and eye damage
- Causes serious eye damage
- 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.
Questions about Pyrophosphoric acid
What is the import duty on Pyrophosphoric acid in India?
The total import duty on Pyrophosphoric acid is about 27.73% of the import value under tariff item 2809 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Pyrophosphoric acid?
No anti-dumping duty on Pyrophosphoric acid was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Pyrophosphoric acid in India?
Pyrophosphoric acid falls under tariff item 2809 (estimate) of the Customs Tariff of India.
Is Pyrophosphoric acid 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 Pyrophosphoric acid from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Pyrophosphoric acid hazardous?
Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Irritates skin, eyes or breathing. Harmful if swallowed.
Is Pyrophosphoric acid 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.