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HSN 290418% GSTITC EligibleRCM: Check notificationsLast reviewed: 22 Jan 2026

SULPHONATED

GST rate for HSN 2904 is 18%. Use the calculator, copy invoice-ready details, and verify ITC/RCM hints before filing (FY 2025–26).

Not legal advice • Verify before filing
Quick summary
TypeGoods
Intra-state split9% CGST + 9% SGST
Inter-state18% IGST
Tip: Compare nearby headings and chapter notes to avoid wrong classification.

GST Rate for HSN 2904

18%

Specific items under 2904

HSN CodeDescriptionGST Rate
290410DERIVATIVES CONTAINING ONLY SULPHO GROUPS, THEIR SALTS AND ETHYL ESTERS :18%
290420DERIVATIVES CONTAINING ONLY NITRO OR ONLY NITROSO GROUPS :18%
290431PERFLUOROOCTANE SULPHONIC ACID18%
290432AMMONIUM PERFLUOROOCTANE SULPHONATE18%
290433LITHIUM PERFLUOROOCTANE SULPHONATE18%
290434POTASSIUM PERFLUOROOCTANE SULPHONATE18%
290435OTHER SALTS OF PERFLUOROOCTANE SULPHONIC ACID18%
290436PERFLUOROOCTANE SULPHONYL FLUORIDE18%
290490Other18%
290491TRICHLORONITROMETHANE (CHLOROPICRIN)18%
290499OTHER:18%
29041010BENZENE SULPHONIC ACID18%
290410201,5 NAPTHELENE DISULPHONIC ACID (ARMSTRONG’S ACID)18%
29041030NAPTHELENE SULPHONIC ACID18%
29041040SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - DERIVATIVES CONTAINING ONLY SULPHO GROUPS, THEIR SALTS AND ETHYL ESTERS : VINYL SULPHONE18%
29041090OTHER18%
29042010NITROBENZENE18%
29042020META DINITROBENZENE18%
29042030META NITROTOLUENE18%
29042040ORTHO NITROTOLUENE18%
29042050PARA NITROTOLUENE18%
29042060DINITROTOLUENE18%
29042090OTHER18%
29043100Perfluorooctane sulphonic acid18%
29043200Ammonium perfluorooctane sulphonate18%
29043300Lithium perfluorooctane sulphonate18%
29043400POTASSIUM PERFLUOROOCTANE SULPHONATE18%
29043500Other salts of perfluorooctane sulphonic acid18%
29043600Perfluorooctane sulphonyl fluoride18%
29049010SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : 2,5 DICHLORO NITROBENZENE18%
29049020SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : DINITROCHLOROBENZENE18%
29049030SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : META NITROCHLOROBENZENE18%
29049040SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : ORTHO NITROCHLOROBENZENE18%
29049050SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : PARA NITROCHLOROBENZENE18%
29049060SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : 2-NITROCHLOROTOLUENE18%
29049070SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : SODIUM META NITROBENZENE SULPHONATE18%
29049080CHLOROPICRIN(TRICHLORONITRO-METHANE)18%
29049090SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED - OTHER : OTHER18%
29049100Trichloronitromethane (chloropicrin)18%
290499102, 5 dichloronitrobenzene18%
29049920Dinitrochlorebenzene18%
29049930Meta nitrochlorobenzene18%
29049940Ortho nitrochlorobenzene18%
29049950Para nitrochlorobenzene18%
290499602-nitrochlorotoluene18%
29049970Sodium meta nitrochlorobenzene sulphonate18%
29049990Other18%

Tax calculator for HSN 2904

Enter a taxable value to calculate GST. You can use this for a quick invoice estimate.

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Not legal advice • Verify before filing • For services (99), place-of-supply rules can change tax type.

Invoice example (₹1,000 taxable value)

Intra-state (CGST + SGST)
Taxable value₹1,000
CGST (9%)90.00
SGST (9%)90.00
Total invoice1180.00
Inter-state (IGST)
Taxable value₹1,000
IGST (18%)180.00
Total invoice1180.00
Chapter note
Organic Chemicals. Hydrocarbons, Alcohols, Ethers. Mostly 18%.

Compliance pointers (ITC / RCM / classification)

ITC hint

Input Tax Credit depends on usage conditions, restrictions, and supplier eligibility. Treat this as a quick hint — verify for edge cases.

ITC Eligible
RCM / special cases

Reverse Charge is notification-based and can depend on supplier status and transaction type. If you see a warning, double-check notifications and your invoice terms.

No chapter-level RCM note found. Still verify based on notification + supplier category.
Classification checks
  • Compare adjacent headings within Chapter 29 before finalizing.
  • Use chapter notes to avoid common confusions (materials vs finished goods, kits, etc.).
  • For services (99), place-of-supply can change whether IGST/CGST+SGST applies.

FAQs for HSN 2904

What is the GST rate for HSN 2904?

GST rate for HSN 2904 is 18%. Always verify the latest CBIC/GST notifications for changes.

Is HSN mandatory on invoices?

HSN is generally required on B2B invoices; the number of digits depends on turnover and the nature of supply. Exports/imports typically use more detailed codes.

How do I use this code on an invoice?

Add HSN 2904 in the line item and apply GST @ 18%. For intra-state supplies: 9% CGST + 9% SGST. For inter-state supplies: 18% IGST.

Does ITC apply for this HSN?

ITC depends on conditions and restrictions under GST law, plus the nature of usage and supplier eligibility. Use the ITC badge as a hint and verify with your CA for edge cases.

Can Reverse Charge (RCM) apply here?

RCM is notification-based and depends on the supply category, supplier status, and transaction type. If you see an RCM note, treat it as a “verify” signal.

What if I pick the wrong HSN?

Wrong classification can cause rate mismatch, notices, interest/penalty exposure, and reconciliation issues. Compare nearby headings and chapter notes before finalizing.

Sources & accuracy

Not legal advice • Always verify before filing • Page URL uses your deployed site base (no localhost leaks).

Next steps after choosing HSN 2904