1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1)CAS 17636-10-1 · import duty, licences and trade rules in India

C3H7NaO3S2 · also called Sodium 3-mercapto-1-propanesulfonate, 3-Mercapto-1-propanesulfonic acid sodium salt, 1-Propanesulfonic acid, 3-mercapto-, monosodium salt, Sodium 3-mercaptopropylsulfonate
No ban or licence needed. Normal trade rules apply; handle as its safety advice says.
Import dutyOKAbout 27.73%HS 2930 90 (subheading)Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyOKNot classified as hazardous

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 2930 90 (subheading)).

Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.

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What 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) is, its uses, properties and related chemicals: 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) on ChemXpress →

Every answer, with its source

Rules in IndiaOK

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.
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.
Source: Stockholm Convention, all listed POPs · Rotterdam Convention Annex III · Montreal Protocol annexes (ozone layer, Kigali HFCs) · US EPA TSCA Inventory · ECHA REACH lists, as published in PubChem

Import dutyOK

About 27.73% of the import value
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • The EU customs inventory (ECICS) classifies it under CN 2930 90 95, so its HS subheading is 2930 90.
  • India splits subheading 2930 90 into 16 lines: 2930 90 10 (Other › Thiourea (sulphourea)); 2930 90 20 (Other › Calcium salts of methionine); 2930 90 30 (Other › Thio sulphonic acid); 2930 90 40 (Other › L-cystine (alpha-amino beta-thiopropionic acid)-sulphur containing amino); 2930 90 50 (Other › Sulphinic acid); 2930 90 60 (Other › Sulphoxide); and 10 more.
  • Basic customs duty 7.5% on every one of them; with social welfare surcharge and IGST 18% that makes about 27.73%.
  • Lines that name a chemical are for that chemical; one that no line names goes under "Other" (2930 90 99).
  • Confirm the exact 8-digit line with your customs broker before you import.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 02/2026-Customs (Budget 2026) · Finance Act 2026, Fifth Schedule (tariff rates from 1 May 2026) · Notification 9/2025-Integrated Tax (Rate) · EU customs inventory of chemicals (ECICS), European Commission

SafetyOK

Not classified as hazardous
  • Always read the supplier’s safety data sheet (SDS) before handling.
Source: PubChem GHS classification

Price and suppliersNO DATA

Not on RasayanXchange yet
  • Post a requirement and we will find suppliers for you.
Source: RasayanXchange market data

Key facts

CAS number17636-10-1
FormulaC3H7NaO3S2
Also calledSodium 3-mercapto-1-propanesulfonate, 3-Mercapto-1-propanesulfonic acid sodium salt, 1-Propanesulfonic acid, 3-mercapto-, monosodium salt, Sodium 3-mercaptopropylsulfonate
Tariff item (HS)2930 90 (subheading)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1)

What is the import duty on 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) in India?

The total import duty on 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) is about 27.73% of the import value under tariff item 2930 90 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1)?

No anti-dumping duty on 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) in India?

1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) falls under HS subheading 2930 90, as classified by the EU customs inventory (ECICS). India splits that subheading into several 8-digit lines; confirm the exact line with your customs broker.

Is 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) 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 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) from India need a licence?

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

Is 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) hazardous?

Not classified as hazardous. Always read the supplier’s safety data sheet (SDS) before handling.

Is 1-Propanesulfonic acid, 3-mercapto-, sodium salt (1:1) 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.