HS code 2931 41 00: Dimethyl methylphosphonate

HS code 2931 41 00 covers dimethyl methylphosphonate in chapter 29 (organic 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)2931 41 00
DescriptionDimethyl methylphosphonate
Chapter29: Organic chemicals
Heading2931: Non-halogenated organo-phosphorous derivatives
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 306 tonnes in 2025-26 (up 65.8% on 2024-25) under tariff item 29314100, “Dimethyl methylphosphonate (non-halogenated organo phosphorous derivatives)”.

Chemicals under HS code 2931 41 00

Dimethyl methylphosphonate

Questions about HS code 2931 41 00

What is the import duty on HS code 2931 41 00 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 dimethyl methylphosphonate free in India?

DGFT import policy for HS code 2931 41 00 is Free.

Can dimethyl methylphosphonate be exported from India?

DGFT export policy for HS code 2931 41 00 is Free.

Which chemicals fall under HS code 2931 41 00?

Dimethyl methylphosphonate.

Other lines under heading 2931

2931 10 10: Tetramethyl lead2931 10 90: Tetraethyl lead2931 20 00: Tributyltin compounds2931 42 00: Dimethyl propylphosphonate2931 43 00: Diethyl ethylphosphonate2931 44 00: Methylphosphonic acid2931 45 00: Salt of methylphosphonic acid and2931 46 00: 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 22931 47 00: (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan2931 48 00: 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro2931 49 10: Sodium 3-(trihydroxysilyl) propyl methylphosphonat2931 49 20: Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphina2931 49 30: Glyphosate (ISO)2931 49 90: 5-yl)methyl] methylphosphonate.: other2931 51 00: Methylphosphonic dichloride2931 52 00: Propylphosphonic dichloride2931 53 00: O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl) 2931 54 00: Trichlorfon (ISO)2931 59 00: Halogenated organo-phosphorous derivatives: other2931 90 11: Methylarsonic acid and its salt

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.