Methanesulfonic Acid (CAS 75-75-2): import duty, licences and trade rules in India

Methanesulfonic acid is an alkanesulfonic acid in which the alkyl group directly linked to the sulfo functionality is methyl. For trade in India: No ban or licence needed. Normal trade rules apply; handle as its safety advice says. Import duty is about 24.49% (tariff item 2904 (estimate)).

No ban or licence needed. Normal trade rules apply; handle as its safety advice says.

Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.

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Key facts

CAS number75-75-2
FormulaCH4O3S
Also calledMethylsulfonic acid, Methanesulphonic acid, Kyselina methansulfonova, J1.465F
Tariff item (HS)2904 (estimate)
Total import dutyabout 24.49%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Every answer, with its source

Rules in IndiaOK

Allowed, under the normal registration
  • A medicine containing it was approved by CDSCO in 2020: Netarsudil mesylate bulk and Netarsudil ophthalmic solution 0.02%w/v.
  • Making or selling medicines needs a drug licence.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013

Exporting from IndiaOK

No export licence needed
  • Not on the SCOMET export-control list or the precursor export list.
  • The buyer’s country may still have its own import rules.
Source: DGFT SCOMET list · NDPS RCS Order 2013

Global treaties & export marketsOK

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.
  • 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 607-145-00-4): Skin Corr. 1B. Suppliers in the EU must label it this way.
Source: Stockholm Convention, all listed POPs · Rotterdam Convention Annex III · Montreal Protocol annexes (ozone layer, Kigali HFCs) · EU CLP Regulation Annex VI (harmonised classification) · US EPA TSCA Inventory · ECHA REACH lists, as published in PubChem

Import dutyOK

About 24.49% of the import value (estimate)
  • About ₹24,490 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: 2904, sulphonated, nitrated or nitrosated derivatives of hydrocarbons (nitro, nitroso or sulphonic acid group).
  • All lines under heading 2904 pay basic customs duty 5%; with social welfare surcharge and IGST 18% that makes about 24.49%.
  • Confirm the exact 8-digit code with your customs broker before you import.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 9/2025-Integrated Tax (Rate)

SafetyCHECK

Dangerous: handle with proper protection
  • Burns skin and eyes, eats into metal
  • Irritates skin, eyes or breathing
  • May be corrosive to metals
  • Harmful if swallowed or in contact with skin
  • Harmful if swallowed
  • Harmful in contact with skin
  • Causes severe skin burns and eye damage
  • Always read the supplier’s safety data sheet (SDS) before handling.
Source: PubChem GHS classification

Price and suppliersOK

Listed on RasayanXchange
  • No daily rate yet. Ask suppliers for a quote.
Source: RasayanXchange market data

Questions about Methanesulfonic Acid

What is the import duty on Methanesulfonic Acid in India?

The total import duty on Methanesulfonic Acid is about 24.49% of the import value under tariff item 2904 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Methanesulfonic Acid?

No anti-dumping duty on Methanesulfonic Acid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of Methanesulfonic Acid in India?

Methanesulfonic Acid falls under tariff item 2904 (estimate) of the Customs Tariff of India.

Is Methanesulfonic Acid restricted or licensed in India?

Allowed, under the normal registration. A medicine containing it was approved by CDSCO in 2020: Netarsudil mesylate bulk and Netarsudil ophthalmic solution 0.02%w/v. Making or selling medicines needs a drug licence.

Does exporting Methanesulfonic Acid from India need a licence?

No export licence needed. Not on the SCOMET export-control list or the precursor export list.

Is Methanesulfonic Acid hazardous?

Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Irritates skin, eyes or breathing. May be corrosive to metals.

Is Methanesulfonic Acid 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.

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Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.