1,4-Bis(diphenylphosphino)butaneCAS 7688-25-7 · 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 2931 49 (subheading)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What 1,4-Bis(diphenylphosphino)butane is, its uses, properties and related chemicals: 1,4-Bis(diphenylphosphino)butane 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).
- 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.
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- The EU customs inventory (ECICS) classifies it under CN 2931 49 80, so its HS subheading is 2931 49.
- India splits subheading 2931 49 into 4 lines: 2931 49 10 (Other › Sodium 3-(trihydroxysilyl) propyl methylphosphonate); 2931 49 20 (Other › Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan); 2931 49 30 (5-yl)methyl] methylphosphonate. › Glyphosate (ISO)); 2931 49 90 (5-yl)methyl] methylphosphonate. › Other).
- Basic customs duty 7.5% on every one of them; with social welfare surcharge and IGST 18% that makes about 27.73%.
- Lines that name a chemical are for that chemical; one that no line names goes under "Other" (2931 49 90).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetyCHECK
- Irritates skin, eyes or breathing
- Harmful to fish and water life
- Harmful if swallowed
- Causes skin irritation
- May cause an allergic skin reaction
- Causes serious eye irritation
- May cause respiratory 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 | 7688-25-7 |
|---|---|
| Formula | C28H28P2 |
| Also called | Tetramethylenebis(diphenylphosphine), Butane-1,4-diylbis(diphenylphosphine), 1,4-Bis[diphenylphosphino]butane, 1,4-BUTYLENEBIS(DIPHENYLPHOSPHINE) |
| Tariff item (HS) | 2931 49 (subheading) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about 1,4-Bis(diphenylphosphino)butane
What is the import duty on 1,4-Bis(diphenylphosphino)butane in India?
The total import duty on 1,4-Bis(diphenylphosphino)butane is about 27.73% of the import value under tariff item 2931 49 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on 1,4-Bis(diphenylphosphino)butane?
No anti-dumping duty on 1,4-Bis(diphenylphosphino)butane was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of 1,4-Bis(diphenylphosphino)butane in India?
1,4-Bis(diphenylphosphino)butane falls under HS subheading 2931 49, 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 1,4-Bis(diphenylphosphino)butane 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 1,4-Bis(diphenylphosphino)butane from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is 1,4-Bis(diphenylphosphino)butane hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful to fish and water life. Harmful if swallowed.
Is 1,4-Bis(diphenylphosphino)butane 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.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.