Diammonium hydrogen phosphate (CAS 7783-28-0): import duty, licences and trade rules in India

Diammonium hydrogen phosphate is an inorganic phosphate, being the diammonium salt of phosphoric acid. For trade in India: OK to trade, but watch: exporting from India. Import duty is about 24.49% (tariff item 3105 30 00). DGFT policy: import Free, export Free (conditions).

OK to trade, but watch: exporting from India.

Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.

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Key facts

CAS number7783-28-0
FormulaH9N2O4P
Also calledDIAMMONIUM PHOSPHATE, Ammonium phosphate dibasic, Akoustan A, Phosphoric acid, diammonium salt
Tariff item (HS)3105 30 00
Total import dutyabout 24.49%
Anti-dumping duty (most producers)None found
DGFT import policyFree
DGFT export policyFree (conditions)
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 3105 30 00: 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 IndiaCHECK

Export allowed with conditions
  • Export policy (DGFT ITC(HS)) for tariff item 3105 30 00: Free, but with conditions. 1. Export of N.P. Complex Fertilizers Diammonium Phosphate (DAP) (18-46-00) is free subject to following condition i.e. Manufacturers of DAP as listed at Main Note 1 at List B above shall be allowed, with the prior permission of the Department of Fertilizer, to export their own manufactured DAP subject to the following conditions : (i) Intimation to Department of Fertilizer about quantity of export along with a self- declaration and a certificate issued by statutory auditors that no concession/ subsidy has been claimed for intended export. (ii) Production of above declaration / certificate as .
  • Not on the SCOMET export-control list.
  • The buyer’s country may still have its own import rules.

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.

Import dutyOK

About 24.49% of the import value
  • About ₹24,490 duty on every ₹1,00,000 of import value (CIF).
  • Made up of basic customs duty 5%, social welfare surcharge 0.5% and IGST 18%. IGST can usually be claimed back as input tax credit.
  • Tariff item 3105 30 00: Diammonium hydrogen ortho phosphate.
  • IGST can be lower (5%) for some uses; the stated rate is the higher one.
  • A lower rate may apply under certain conditions; ask your customs broker.
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
  • Always read the supplier’s safety data sheet (SDS) before handling.

Food residue limitsOK

Default food limit applies
  • India (FSSAI) has no specific limit, so the default 0.01 mg/kg applies to food.
  • EU: approved as a pesticide.

Price and suppliersNO DATA

Not on RasayanXchange yet
  • Post a requirement and we will find suppliers for you.

Questions about Diammonium hydrogen phosphate

What is the import duty on Diammonium hydrogen phosphate in India?

The total import duty on Diammonium hydrogen phosphate is about 24.49% of the import value under tariff item 3105 30 00, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Diammonium hydrogen phosphate?

No anti-dumping duty on Diammonium hydrogen phosphate was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of Diammonium hydrogen phosphate in India?

Diammonium hydrogen phosphate falls under tariff item 3105 30 00 of the Customs Tariff of India.

Is Diammonium hydrogen phosphate 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 Diammonium hydrogen phosphate be imported freely into India?

Under DGFT's ITC(HS) import policy, Diammonium hydrogen phosphate is Free.

Does exporting Diammonium hydrogen phosphate from India need a licence?

Export allowed with conditions. Export policy (DGFT ITC(HS)) for tariff item 3105 30 00: Free, but with conditions. 1. Export of N.P. Complex Fertilizers Diammonium Phosphate (DAP) (18-46-00) is free subject to following condition i.e. Manufacturers of DAP as listed at Main Note 1 at List B above shall be allowed, with the prior permission of the Department of Fertilizer, to export their own manufactured DAP subject to the following conditions : (i) Intimation to Department of Fertilizer about quantity of export along with a self- declaration and a certificate issued by statutory auditors that no concession/ subsidy has been claimed for intended export. (ii) Production of above declaration / certificate as .

Is Diammonium hydrogen phosphate hazardous?

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

Is Diammonium hydrogen phosphate 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.