Theophylline (CAS 58-55-9): import duty, licences and trade rules in India
Theophylline is a dimethylxanthine having the two methyl groups located at positions 1 and 3. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2933 (estimate)). EU CMR classification: Repr. 1B.
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 58-55-9 |
|---|---|
| Formula | C7H8N4O2 |
| Also called | 1,3-Dimethylxanthine, Elixophyllin, Theophyllin, Theolair |
| 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 |
| EU CMR classification | Repr. 1B |
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).
- 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 as a reproductive toxicant category 1B (CLP Annex VI, index 613-342-00-6). It may not be sold to the general public in the EU as such or in mixtures above the limit (REACH Annex XVII, entries 28-30), and its use at work must be minimised.
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
- Poisonous, even in small amounts
- Irritates skin, eyes or breathing
- Toxic if swallowed
- Harmful if swallowed
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Ships as UN 1544 (Poison): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
US patentsOK
- Generic versions can be sold in the US.
- Indian patents are not checked.
Questions about Theophylline
What is the import duty on Theophylline in India?
The total import duty on Theophylline 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 Theophylline?
No anti-dumping duty on Theophylline was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Theophylline in India?
Theophylline falls under tariff item 2933 (estimate) of the Customs Tariff of India.
Is Theophylline 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 Theophylline from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Theophylline hazardous?
Dangerous: handle with proper protection. Poisonous, even in small amounts. Irritates skin, eyes or breathing. Toxic if swallowed.
Is Theophylline regulated under global treaties or in the EU and US?
EU: classified carcinogen, mutagen or reproductive toxicant. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). Registered under EU REACH, so EU importers can buy it under an existing registration.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.