Potassium Metabisulfite (CAS 16731-55-8): import duty, licences and trade rules in India

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 2832 20 10). DGFT policy: import Free, export Free.

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 number16731-55-8
FormulaK2O5S2
Also calledPotassium disulfite, Dipotassium pyrosulfite, Dipotassium disulfite, Sobisu
Tariff item (HS)2832 20 10
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
DGFT import policyFree
DGFT export policyFree
SCOMET (export control)Not listed
NDPS / precursorNot listed

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.
  • Import policy (DGFT ITC(HS)) for tariff item 2832 20 10: Free, so no import licence is needed under trade policy.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013 · DGFT ITC(HS) 2022, Schedule 1 Import Policy

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.
  • Export policy (DGFT ITC(HS)) for tariff item 2832 20 10: Free.
Source: DGFT SCOMET list · NDPS RCS Order 2013 · DGFT ITC(HS) 2022, Schedule 2 Export Policy

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).
  • Made up of basic customs duty 7.5%, social welfare surcharge 0.75% and IGST 18%. IGST can usually be claimed back as input tax credit.
  • Tariff item 2832 20 10: Potassium metabisulphite.
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
  • Causes skin irritation
  • Causes serious eye damage
  • May cause respiratory irritation
  • Always read the supplier’s safety data sheet (SDS) before handling.
Source: PubChem GHS classification

Storage, transport & PESOOK

Dangerous goods for transport
  • Ships as UN 1759 (Corrosive): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Source: UN numbers (CAMEO Chemicals, via PubChem)

Price and suppliersNO DATA

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

Questions about Potassium Metabisulfite

What is the import duty on Potassium Metabisulfite in India?

The total import duty on Potassium Metabisulfite is about 27.73% of the import value under tariff item 2832 20 10, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Potassium Metabisulfite?

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

What is the HS code (tariff item) of Potassium Metabisulfite in India?

Potassium Metabisulfite falls under tariff item 2832 20 10 of the Customs Tariff of India.

Is Potassium Metabisulfite 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.

Can Potassium Metabisulfite be imported freely into India?

Under DGFT's ITC(HS) import policy, Potassium Metabisulfite is Free.

Does exporting Potassium Metabisulfite from India need a licence?

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

Is Potassium Metabisulfite hazardous?

Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Irritates skin, eyes or breathing. Causes skin irritation.

Is Potassium Metabisulfite 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

Ammonium SulfiteAmmonium thiosulfateCalcium sulfitePotassium SulfitePotassium thiosulfateSodium BisulfiteSodium PyrosulfiteSodium SulfiteSodium Thiosulfate

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