Didecyldimethylammonium Chloride (CAS 7173-51-5): import duty, licences and trade rules in India
Didecyldimethylammonium chloride is an organic molecular entity. For trade in India: OK to trade, but watch: food residue limits. Import duty is about 27.73% (tariff item 2923 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 7173-51-5 |
|---|---|
| Formula | C22H48ClN |
| Also called | Didecyldimethylammonium chloride, DDAC, Astop, Quaternium 12 |
| Tariff item (HS) | 2923 (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
- A medicine containing it was approved by CDSCO in 2023: 3-(trimethoxysilyl)propyl dimethyl octadecylammonum chloride , Benzalkonium chloride,…
- Making or selling medicines needs a drug licence.
Exporting from IndiaOK
- Not on the SCOMET export-control list or the precursor export list.
- Not approved as a pesticide in the EU: food sent there must carry almost none of it.
- The buyer’s country may still have its own import rules.
Global treaties & export marketsOK
- 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 (CLP Annex VI, index 612-131-00-6): Acute Tox. 4, Skin Corr. 1B. 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: 2923, quaternary ammonium salts and hydroxides (quaternary ammonium).
- All lines under heading 2923 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
- Poisonous, even in small amounts
- Irritates skin, eyes or breathing
- Harmful to fish and water life
- Toxic if swallowed
- Harmful if swallowed
- Causes severe skin burns and eye damage
- Causes serious eye damage
- Very toxic to aquatic life
- Always read the supplier’s safety data sheet (SDS) before handling.
Food residue limitsCHECK
- India (FSSAI) has no specific limit, so the default 0.01 mg/kg applies to food.
- EU: not approved; most EU food limits are at the detection limit.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Questions about Didecyldimethylammonium Chloride
What is the import duty on Didecyldimethylammonium Chloride in India?
The total import duty on Didecyldimethylammonium Chloride is about 27.73% of the import value under tariff item 2923 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Didecyldimethylammonium Chloride?
No anti-dumping duty on Didecyldimethylammonium Chloride was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Didecyldimethylammonium Chloride in India?
Didecyldimethylammonium Chloride falls under tariff item 2923 (estimate) of the Customs Tariff of India.
Is Didecyldimethylammonium Chloride restricted or licensed in India?
Allowed, under the normal registration. A medicine containing it was approved by CDSCO in 2023: 3-(trimethoxysilyl)propyl dimethyl octadecylammonum chloride , Benzalkonium chloride,…. Making or selling medicines needs a drug licence.
Does exporting Didecyldimethylammonium Chloride from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Didecyldimethylammonium Chloride hazardous?
Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Poisonous, even in small amounts. Irritates skin, eyes or breathing.
Is Didecyldimethylammonium Chloride regulated under global treaties or in the EU and US?
No treaty or export-market restriction found. 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.