1,4-Dioxane (CAS 123-91-1): import duty, licences and trade rules in India
1,4-dioxane is a dioxane with oxygen atoms at positions 1 and 4. For trade in India: OK to trade, but watch: global treaties & export markets; safety. Import duty is about 27.73% (tariff item 2932 (estimate)). EU CMR classification: Carc. 1B.
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 123-91-1 |
|---|---|
| Formula | C4H8O2 |
| Also called | Dioxane, p-Dioxane, Diethylene ether, 1,4-Diethylene dioxide |
| Tariff item (HS) | 2932 (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 | Carc. 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.
- On India’s hazardous chemicals list (MSIHC Rules 1989). Importers must send the State authorities the consignment details and full safety information before each import (30 days ahead where possible, never later than the import date) and keep import records.
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 (carcinogenic; equivalent level of concern having probable serious effects to human health - human health); equivalent level of concern having probable serious effects to the environment - environment)), since 08-Jul-2021. 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 as a carcinogen category 1B (CLP Annex VI, index 603-024-00-5). 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: 2932, heterocyclic compounds with oxygen hetero-atom(s) only (ring containing oxygen).
- All lines under heading 2932 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.
SafetySTOP
- Catches fire easily
- Irritates skin, eyes or breathing
- Can cause long-term health damage
- Highly flammable liquid and vapor
- Causes serious eye irritation
- May cause respiratory irritation
- May cause cancer
- Suspected of causing cancer
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Flash point about 12.8 °C (The National Institute for Occupational Safety and Health (NIOSH)).
- It is not a hydrocarbon, so the Petroleum Rules do not class it; storage still follows the state fire service’s rules and the factory licence.
- Ships as UN 1165 (Flammable Liquid): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Price and suppliersOK
- No daily rate yet. Ask suppliers for a quote.
Questions about 1,4-Dioxane
What is the import duty on 1,4-Dioxane in India?
The total import duty on 1,4-Dioxane is about 27.73% of the import value under tariff item 2932 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on 1,4-Dioxane?
No anti-dumping duty on 1,4-Dioxane was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of 1,4-Dioxane in India?
1,4-Dioxane falls under tariff item 2932 (estimate) of the Customs Tariff of India.
Is 1,4-Dioxane restricted or licensed in India?
No ban or licence; import paperwork applies. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. On India’s hazardous chemicals list (MSIHC Rules 1989). Importers must send the State authorities the consignment details and full safety information before each import (30 days ahead where possible, never later than the import date) and keep import records.
Does exporting 1,4-Dioxane from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is 1,4-Dioxane hazardous?
Very hazardous: strict controls needed. Catches fire easily. Irritates skin, eyes or breathing. Can cause long-term health damage.
Is 1,4-Dioxane 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 (carcinogenic; equivalent level of concern having probable serious effects to human health - human health); equivalent level of concern having probable serious effects to the environment - environment)), since 08-Jul-2021. 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.