HS code 2833 30 10: Ammonium alum

HS code 2833 30 10 covers ammonium alum in chapter 28 (inorganic chemicals). Total import duty is about 27.73% of the import value; DGFT import policy: Free.

Total import dutyabout 27.73%
Basic customs duty7.5%
IGST18%
Import policyFree
Export policyFree
Anti-dumpingNone found

Updated 2026-11-01 from official lists, including Budget 2026 and later customs notifications.

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Key facts

Tariff item (8-digit HS code)2833 30 10
DescriptionAmmonium alum
Chapter28: Inorganic chemicals
Heading2833: Alums
Unitkg.
Basic customs duty (tariff rate)7.5%
Basic customs duty charged7.5%
Social welfare surcharge10% of BCD
IGST18%
Total import dutyabout 27.73% of the import value
DGFT import policyFree
DGFT export policyFree

Import duty (with Budget 2026 changes)

  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).

DGFT import and export policy

  • Import: Free.
  • Export: Free.

India's imports and exports

  • India imported 27 tonnes in 2025-26 under tariff item 28333010, “Ammonium alum”.
  • India exported 2,054 tonnes in 2025-26 (up 4.8% on 2024-25) under tariff item 28333010, “Ammonium alum”.

Questions about HS code 2833 30 10

What is the import duty on HS code 2833 30 10 in India?

About 27.73% of the import value: basic customs duty 7.5%, social welfare surcharge 10% of BCD and IGST 18%. IGST can usually be claimed back as input tax credit.

Is the import of ammonium alum free in India?

DGFT import policy for HS code 2833 30 10 is Free.

Can ammonium alum be exported from India?

DGFT export policy for HS code 2833 30 10 is Free.

Other lines under heading 2833

2833 11 00: Disodium sulphate2833 19 10: Sodium hydrogen sulphate (acid sulphate)2833 19 20: Sodium pyrosulphate2833 19 90: Sodium sulphates: other2833 21 00: Of magnesium2833 22 10: Aluminium sulphate (iron free)2833 22 90: Of aluminium: other2833 24 00: Of nickel2833 25 00: Of copper2833 27 00: Of barium2833 29 10: Ferrous sulphate2833 29 30: Quinidine sulphate2833 29 40: Manganese sulphate2833 29 50: Strontium sulphate2833 29 90: Other sulphates: other2833 30 20: Ferric ammonium alum2833 30 30: Potash alum2833 30 90: Alums: other2833 40 00: Peroxosulphates (persulphates)

Sources: Customs Tariff of India (CBIC) · Notification 45/2025-Customs and Budget 2026 amendments · IGST rates, Notification 9/2025-Integrated Tax (Rate) · DGFT ITC(HS) import and export policy · CBIC Customs (ADD) notifications · Export Import Data Bank (DGCI&S). Guidance from official lists, not legal advice; confirm the classification with your customs broker.