4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acidCAS 82-47-3 · import duty, licences and trade rules in India

C10H9NO7S2 · also called 1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, 1-amino-8-naphthol-2,4-disulfonic acid, 8-Amino-1-naphthol-5,7-disulfonic acid
No ban or licence needed. Normal trade rules apply; handle as its safety advice says.
Import dutyOKAbout 27.73%HS 2922 21 80Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKDangerous: handle with proper protection

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 2922 21 80). DGFT policy: import Free, export Free.

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

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What 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid is, its uses, properties and related chemicals: 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid 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.
  • Import policy (DGFT ITC(HS)) for tariff item 2922 21 80: 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 2922 21 80: 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).
  • No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.
  • Active on the US TSCA Inventory, so it can be imported into the US without a new-chemical notice.
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 2922 21 80: Chicago acid.
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)

SafetyCHECK

Dangerous: handle with proper protection
  • Burns skin and eyes, eats into metal
  • Causes severe skin burns and eye damage
  • 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 number82-47-3
FormulaC10H9NO7S2
Also called1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, 1-amino-8-naphthol-2,4-disulfonic acid, 8-Amino-1-naphthol-5,7-disulfonic acid
Tariff item (HS)2922 21 80
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

Questions about 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid

What is the import duty on 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid in India?

The total import duty on 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid is about 27.73% of the import value under tariff item 2922 21 80, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid?

No anti-dumping duty on 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid in India?

4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid falls under tariff item 2922 21 80 of the Customs Tariff of India.

Is 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid 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 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid be imported freely into India?

Under DGFT's ITC(HS) import policy, 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid is Free.

Does exporting 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid from India need a licence?

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

Is 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid hazardous?

Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Causes severe skin burns and eye damage. Always read the supplier’s safety data sheet (SDS) before handling.

Is 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic 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). No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.

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