4,4'-Dinitro-2,2'-stilbenedisulfonic acidCAS 128-42-7 · import duty, licences and trade rules in India
4,4'-dinitrostilbene-2,2'-disulfonic acid is an arenesulfonic acid. For trade in India: No ban or licence needed. Normal trade rules apply; handle as its safety advice says. Import duty is about 24.49% (tariff item 2904 99 (subheading)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What 4,4'-Dinitro-2,2'-stilbenedisulfonic acid is, its uses, properties and related chemicals: 4,4'-Dinitro-2,2'-stilbenedisulfonic acid on ChemXpress →
Every answer, with its source
Rules in IndiaOK
- Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
- Normal factory, storage and GST rules still apply.
Exporting from IndiaOK
- Not on the SCOMET export-control list or the precursor export list.
- The buyer’s country may still have its own import rules.
Global treaties & export marketsOK
- 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.
Import dutyOK
- About ₹24,490 duty on every ₹1,00,000 of import value (CIF).
- The EU customs inventory (ECICS) classifies it under CN 2904 99 00, so its HS subheading is 2904 99.
- India splits subheading 2904 99 into 8 lines: 2904 99 10 (Other › 2, 5 dichloronitrobenzene); 2904 99 20 (Other › Dinitrochlorebenzene); 2904 99 30 (Other › Meta nitrochlorobenzene); 2904 99 40 (Other › Ortho nitrochlorobenzene); 2904 99 50 (Other › Para nitrochlorobenzene); 2904 99 60 (Other › 2-nitrochlorotoluene); and 2 more.
- Basic customs duty 5% on every one of them; with social welfare surcharge and IGST 18% that makes about 24.49%.
- Lines that name a chemical are for that chemical; one that no line names goes under "Other" (2904 99 90).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetyCHECK
- Irritates skin, eyes or breathing
- Causes skin irritation
- Causes serious eye irritation
- Always read the supplier’s safety data sheet (SDS) before handling.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Key facts
| CAS number | 128-42-7 |
|---|---|
| Formula | C14H10N2O10S2 |
| Also called | 2,2'-Stilbenedisulfonic acid, 4,4'-dinitro-, Kyselina 4,4'-dinitrostilben-2,2'-disulfonova, 2,2'-(1,2-ethenediyl)bis(5-nitrobenzenesulfonic acid), 4,4'-Dinitro-2,2'-stilbenedisulfonic acid, disodium salt |
| Tariff item (HS) | 2904 99 (subheading) |
| Total import duty | about 24.49% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about 4,4'-Dinitro-2,2'-stilbenedisulfonic acid
What is the import duty on 4,4'-Dinitro-2,2'-stilbenedisulfonic acid in India?
The total import duty on 4,4'-Dinitro-2,2'-stilbenedisulfonic acid is about 24.49% of the import value under tariff item 2904 99 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on 4,4'-Dinitro-2,2'-stilbenedisulfonic acid?
No anti-dumping duty on 4,4'-Dinitro-2,2'-stilbenedisulfonic acid was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of 4,4'-Dinitro-2,2'-stilbenedisulfonic acid in India?
4,4'-Dinitro-2,2'-stilbenedisulfonic acid falls under HS subheading 2904 99, 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 4,4'-Dinitro-2,2'-stilbenedisulfonic 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.
Does exporting 4,4'-Dinitro-2,2'-stilbenedisulfonic acid from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is 4,4'-Dinitro-2,2'-stilbenedisulfonic acid hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Causes skin irritation. Causes serious eye irritation.
Is 4,4'-Dinitro-2,2'-stilbenedisulfonic 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.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.