Trimellitic anhydride (CAS 552-30-7): import duty, licences and trade rules in India
Trimellitic anhydride is a 2-benzofuran compound having oxo groups at the 1- and 3-positions and a carboxy substituent at the 5-position; the cyclic anhydride formed from the carboxy groups at the 1- and 2-positions of trimellitic acid. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2917 39 50). DGFT policy: import Free, export Free.
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 552-30-7 |
|---|---|
| Formula | C9H4O5 |
| Also called | 1,2,4-Benzenetricarboxylic anhydride, Anhydrotrimellitic acid, Trimellitic acid anhydride, TMAN |
| Tariff item (HS) | 2917 39 50 |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| DGFT import policy | Free |
| DGFT export policy | Free |
| 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.
- Import policy (DGFT ITC(HS)) for tariff item 2917 39 50: Free, so no import licence is needed under trade policy.
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.
- Export policy (DGFT ITC(HS)) for tariff item 2917 39 50: Free.
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 27-Jun-2018. 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 607-097-00-4): STOT SE 3, 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).
- Made up of basic customs duty 7.5%, social welfare surcharge 0.75% and IGST 18%. IGST can usually be claimed back as input tax credit.
- Tariff item 2917 39 50: Trimellitic anhydride.
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
- May cause respiratory irritation
- 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 Trimellitic anhydride
What is the import duty on Trimellitic anhydride in India?
The total import duty on Trimellitic anhydride is about 27.73% of the import value under tariff item 2917 39 50, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Trimellitic anhydride?
No anti-dumping duty on Trimellitic anhydride was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Trimellitic anhydride in India?
Trimellitic anhydride falls under tariff item 2917 39 50 of the Customs Tariff of India.
Is Trimellitic 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.
Can Trimellitic anhydride be imported freely into India?
Under DGFT's ITC(HS) import policy, Trimellitic anhydride is Free.
Does exporting Trimellitic anhydride from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Trimellitic 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 Trimellitic 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 27-Jun-2018. 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.