Cleve's acidCAS 119-28-8 · import duty, licences and trade rules in India

C10H9NO3S · also called Cleve's acid, RefChem:73666, 8-Amino-2-naphthalenesulfonic acid, 1-Naphthylamine-7-sulfonic acid
No ban or licence needed. Normal trade rules apply; handle as its safety advice says.
Import dutyOKAbout 27.73%HS 2921 45 22Rules 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 2921 45 22). 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 Cleve's acid is, its uses, properties and related chemicals: Cleve's 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 2921 45 22: 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 2921 45 22: 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 2921 45 22: Cleve’s acid (1-naphthylamine-6-sulphonic 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
  • India exported 29 tonnes in 2025-26 (down 39% on 2024-25) under tariff item 29214522, “Cleves acid(1 naphthylamn-6-slphnc acid)”.
  • Post a requirement and we will find suppliers for you.
Source: RasayanXchange market data · Export Import Data Bank, Department of Commerce (DGCI&S)

Key facts

CAS number119-28-8
FormulaC10H9NO3S
Also calledCleve's acid, RefChem:73666, 8-Amino-2-naphthalenesulfonic acid, 1-Naphthylamine-7-sulfonic acid
Tariff item (HS)2921 45 22
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 Cleve's acid

What is the import duty on Cleve's acid in India?

The total import duty on Cleve's acid is about 27.73% of the import value under tariff item 2921 45 22, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Cleve's acid?

No anti-dumping duty on Cleve's acid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of Cleve's acid in India?

Cleve's acid falls under tariff item 2921 45 22 of the Customs Tariff of India.

Is Cleve's 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 Cleve's acid be imported freely into India?

Under DGFT's ITC(HS) import policy, Cleve's acid is Free.

Does exporting Cleve's acid from India need a licence?

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

Is Cleve's 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 Cleve's 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.

(+)-1-(1-Naphthyl)ethylamine(+)-Benzylphenethylamine(+)-Fenfluramine hydrochloride(+)-Tranylcypromine(+-)-1,1'-Binaphthyl-2,2'-diamine(+-)-1-Aminoindan(+-)-Norfenfluramine(-)-Amphetamine(1,1'-Biphenyl)-4,4'-diamine, 2,2'-bis(trifluoromethyl)-(1,1'-Biphenyl)-4,4'-diamine, 3,3',5,5'-tetramethyl-, hydrochloride (1:2)(1-Phenylcyclopentyl)methanamine(1R,2R)-(+)-1,2-Diphenylethylenediamine

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