Magnesium Hydroxide (CAS 1309-42-8): import duty, licences and trade rules in India
Magnesium dihydroxide is a magnesium hydroxide in which the magnesium atom is bound to two hydroxide groups. For trade in India: No ban or licence needed. Normal trade rules apply; handle as its safety advice says. Import duty is about 27.73% (tariff item 2816 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 1309-42-8 |
|---|---|
| Formula | H2MgO2 |
| Also called | Milk of magnesia, Magnesium dihydroxide, Magnesium hydrate, Magnesium(II) hydroxide |
| Tariff item (HS) | 2816 (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: Prussian Blue Insoluble 340 mg and Magnesium Hydroxide 500 mg Capsule.
- Making or selling medicines needs a drug licence.
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 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.
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 name: 2816, hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium (oxide or hydroxide of magnesium).
- All lines under heading 2816 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.
SafetyOK
- Always read the supplier’s safety data sheet (SDS) before handling.
Food residue limitsOK
- India (FSSAI) has no specific limit, so the default 0.01 mg/kg applies to food.
- EU: approved as a pesticide.
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 Magnesium Hydroxide
What is the import duty on Magnesium Hydroxide in India?
The total import duty on Magnesium Hydroxide is about 27.73% of the import value under tariff item 2816 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Magnesium Hydroxide?
No anti-dumping duty on Magnesium Hydroxide was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Magnesium Hydroxide in India?
Magnesium Hydroxide falls under tariff item 2816 (estimate) of the Customs Tariff of India.
Is Magnesium Hydroxide restricted or licensed in India?
Allowed, under the normal registration. A medicine containing it was approved by CDSCO in 2023: Prussian Blue Insoluble 340 mg and Magnesium Hydroxide 500 mg Capsule. Making or selling medicines needs a drug licence.
Does exporting Magnesium Hydroxide from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Magnesium Hydroxide hazardous?
Not classified as hazardous. Always read the supplier’s safety data sheet (SDS) before handling.
Is Magnesium Hydroxide 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.