Phthalazine (CAS 253-52-1): import duty, licences and trade rules in India
Phthalazine is an azaarene that is the 2,3-diaza analogue of naphthalene. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2933 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 253-52-1 |
|---|---|
| Formula | C8H6N2 |
| Also called | 2,3-Benzodiazine, Benzo[d]pyridazine, 2,3-Diazanaphthalene, beta-Phenodiazine |
| Tariff item (HS) | 2933 (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.
- Listed as INACTIVE on the US TSCA Inventory: a Notice of Activity must reach EPA before it is imported into the US.
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 structure: 2933, heterocyclic compounds with nitrogen hetero-atom(s) only (ring containing nitrogen).
- 82 of 88 lines under heading 2933 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
- Can cause long-term health damage
- Suspected of causing genetic defects
- 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 Phthalazine
What is the import duty on Phthalazine in India?
The total import duty on Phthalazine is about 27.73% of the import value under tariff item 2933 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Phthalazine?
No anti-dumping duty on Phthalazine was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Phthalazine in India?
Phthalazine falls under tariff item 2933 (estimate) of the Customs Tariff of India.
Is Phthalazine 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 Phthalazine from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Phthalazine hazardous?
Hazardous: take normal precautions. Can cause long-term health damage. Suspected of causing genetic defects. Always read the supplier’s safety data sheet (SDS) before handling.
Is Phthalazine regulated under global treaties or in the EU and US?
US: inactive on 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.