1-Amino-2-naphthol-4-sulfonic acid (CAS 116-63-2): import duty, licences and trade rules in India

4-amino-3-hydroxynaphthalene-1-sulfonic acid is a naphthalenesulfonic acid and an aminonaphthalene. 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 30). 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 number116-63-2
FormulaC10H9NO4S
Also called4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 1-Amino-4-sulfo-2-naphthol, 1,2,4-Acid, 1-NAPHTHALENESULFONIC ACID, 4-AMINO-3-HYDROXY-
Tariff item (HS)2922 21 30
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 2922 21 30: 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 30: 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.
  • 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 2922 21 30: 1-amino-2-naphthol-4-sulphonic acid.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 9/2025-Integrated Tax (Rate)

SafetyCHECK

Hazardous: take normal precautions
  • Irritates skin, eyes or breathing
  • Causes skin irritation
  • Causes serious eye irritation
  • May cause respiratory irritation
  • Harmful to aquatic life with long lasting effects
  • 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

Questions about 1-Amino-2-naphthol-4-sulfonic acid

What is the import duty on 1-Amino-2-naphthol-4-sulfonic acid in India?

The total import duty on 1-Amino-2-naphthol-4-sulfonic acid is about 27.73% of the import value under tariff item 2922 21 30, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on 1-Amino-2-naphthol-4-sulfonic acid?

No anti-dumping duty on 1-Amino-2-naphthol-4-sulfonic acid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of 1-Amino-2-naphthol-4-sulfonic acid in India?

1-Amino-2-naphthol-4-sulfonic acid falls under tariff item 2922 21 30 of the Customs Tariff of India.

Is 1-Amino-2-naphthol-4-sulfonic 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 1-Amino-2-naphthol-4-sulfonic acid be imported freely into India?

Under DGFT's ITC(HS) import policy, 1-Amino-2-naphthol-4-sulfonic acid is Free.

Does exporting 1-Amino-2-naphthol-4-sulfonic acid from India need a licence?

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

Is 1-Amino-2-naphthol-4-sulfonic acid hazardous?

Hazardous: take normal precautions. Irritates skin, eyes or breathing. Causes skin irritation. Causes serious eye irritation.

Is 1-Amino-2-naphthol-4-sulfonic 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.