Hexahydrophthalic anhydride (CAS 85-42-7): import duty, licences and trade rules in India
Hexahydrophthalic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of hexahydrophthalic acid. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2917 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 85-42-7 |
|---|---|
| Formula | C8H10O3 |
| Also called | 1,2-Cyclohexanedicarboxylic anhydride, HHPA, Lekutherm Hardener H, 1,3-Isobenzofurandione, hexahydro- |
| Tariff item (HS) | 2917 (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).
- On the EU REACH Candidate List of substances of very high concern (respiratory sensitising properties - human health)), since 19-Dec-2012. EU buyers must pass on safety information for articles containing more than 0.1%, and it may later need an authorisation.
- 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.
- EU: harmonised classification (CLP Annex VI, index 607-102-00-X): Eye Dam. 1, Resp. Sens. 1, Skin Sens. 1. Suppliers in the EU must label it this way.
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: 2917, polycarboxylic acids and their derivatives (carboxylic acid group).
- 29 of 31 lines under heading 2917 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
- Can cause long-term health damage
- May cause an allergic skin reaction
- Causes serious eye damage
- May cause allergy or asthma symptoms or breathing difficulties 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.
Questions about Hexahydrophthalic anhydride
What is the import duty on Hexahydrophthalic anhydride in India?
The total import duty on Hexahydrophthalic anhydride is about 27.73% of the import value under tariff item 2917 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Hexahydrophthalic anhydride?
No anti-dumping duty on Hexahydrophthalic anhydride was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Hexahydrophthalic anhydride in India?
Hexahydrophthalic anhydride falls under tariff item 2917 (estimate) of the Customs Tariff of India.
Is Hexahydrophthalic anhydride 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 Hexahydrophthalic anhydride from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Hexahydrophthalic anhydride hazardous?
Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Irritates skin, eyes or breathing. Can cause long-term health damage.
Is Hexahydrophthalic anhydride regulated under global treaties or in the EU and US?
EU: substance of very high concern. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). On the EU REACH Candidate List of substances of very high concern (respiratory sensitising properties - human health)), since 19-Dec-2012. EU buyers must pass on safety information for articles containing more than 0.1%, and it may later need an authorisation.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.