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HSN 293518% GSTITC EligibleRCM: Check notificationsLast reviewed: 22 Jan 2026

SULPHONAMIDES

GST rate for HSN 2935 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 2935

18%

Specific items under 2935

HSN CodeDescriptionGST Rate
293500Sulphonamides18%
293510N-METHYLPERFLUOROOCTANE SULPHONAMIDE18%
293520N-ETHYLPERFLUOROOCTANE SULPHONAMIDE18%
293530N-ETHYL-N-(2-HYDROXYETHYL) PERFLUOROOCTANE SULPHONAMIDE18%
293540N-(2-HYDROXYETHYL)-N-METHYLPERFLUOROOCTANE SULPHONAMIDE18%
293550OTHER PERFLUOROOCTANE SULPHONAMIDES :18%
293590OTHER:18%
29350011SULPHONAMIDES - SULPHONAMIDES : SULPHAMETHOXAZOLE, SULPHAFURAZOLE, SULPHADIAZINE, SULPHADIMIDINE, SULPHACETAMIDE : SULPHAMETHOXAZOLE18%
29350012SULPHONAMIDES - SULPHONAMIDES : SULPHAMETHOXAZOLE, SULPHAFURAZOLE, SULPHADIAZINE, SULPHADIMIDINE, SULPHACETAMIDE : SULPHAFURAZOLE18%
29350013SULPHONAMIDES - SULPHONAMIDES : SULPHAMETHOXAZOLE, SULPHAFURAZOLE, SULPHADIAZINE, SULPHADIMIDINE, SULPHACETAMIDE : SULPHADIAZINE18%
29350014SULPHONAMIDES - SULPHONAMIDES : SULPHAMETHOXAZOLE, SULPHAFURAZOLE, SULPHADIAZINE, SULPHADIMIDINE, SULPHACETAMIDE : SULPHADIMIDINE18%
29350015SULPHONAMIDES - SULPHONAMIDES : SULPHAMETHOXAZOLE, SULPHAFURAZOLE, SULPHADIAZINE, SULPHADIMIDINE, SULPHACETAMIDE : SULPHACETAMIDE18%
29350021SULPHONAMIDES - SULPHONAMIDES :-SULPHAMETHOXYPYRIDARINE, SULPHAMETHIAZOLE, SULPHAMOXOLE, SULPHAMIDE : SULPHAMETHOXYPYRIDARINE18%
29350022SULPHONAMIDES - SULPHONAMIDES :-SULPHAMETHOXYPYRIDARINE, SULPHAMETHIAZOLE, SULPHAMOXOLE, SULPHAMIDE : SULPHAMETHIAZOLE18%
29350023SULPHONAMIDES - SULPHONAMIDES :-SULPHAMETHOXYPYRIDARINE, SULPHAMETHIAZOLE, SULPHAMOXOLE, SULPHAMIDE : SULPHAMOXOLE18%
29350024SULPHONAMIDES - SULPHONAMIDES :-SULPHAMETHOXYPYRIDARINE, SULPHAMETHIAZOLE, SULPHAMOXOLE, SULPHAMIDE : SULPHAMIDE18%
29350090SULPHONAMIDES - SULPHONAMIDES : OTHER18%
29351000N-Methylperfluorooctane sulphonamide18%
29352000N-Ethylperfluorooctane sulphonamide18%
29353000N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide18%
29354000N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide18%
29355000Other perfluorooctane sulphonamides18%
29355010FLUBENDIAMIDE (ISO)18%
29355090OTHER18%
29359011Sulphamethoxazole18%
29359012Sulphafurazole18%
29359013Sulphadiazine18%
29359014Sulphadimidine18%
29359015Sulphacetamide18%
29359021Sulphamethoxypyridarine18%
29359022SULPHAMETHIAZOLE18%
29359023Sulphamoxole18%
29359024Sulphamide18%
29359090Other18%

Tax calculator for HSN 2935

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 2935

What is the GST rate for HSN 2935?

GST rate for HSN 2935 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 2935 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 2935