HS code 2831 90 20: Sulphoxylates

HS code 2831 90 20 covers sulphoxylates 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.

Check a chemical on this line Check a whole list

Key facts

Tariff item (8-digit HS code)2831 90 20
DescriptionSulphoxylates
Chapter28: Inorganic chemicals
Heading2831: Other
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 exported 626 tonnes in 2025-26 (down 39.5% on 2024-25) under tariff item 28319020, “Other sulphoxylates”.

Questions about HS code 2831 90 20

What is the import duty on HS code 2831 90 20 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 sulphoxylates free in India?

DGFT import policy for HS code 2831 90 20 is Free.

Can sulphoxylates be exported from India?

DGFT export policy for HS code 2831 90 20 is Free.

Other lines under heading 2831

2831 10 10: Sodium dithionites (sodium hydrosulphite)2831 10 20: Sodium sulphoxylates (including sodium formaldehyd2831 90 10: Dithionites

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.