About HSN Code 29043400
HSN Code 29043400 covers Potassium Perfluorooctane Sulphonate and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged. This code falls under the Chemicals & Materials sector (Paint, fertilizer, rubber, plastics, pharma).
How to Use HSN Code 29043400 on GST Invoices
- Include the HSN code 29043400 on every GST invoice for potassium perfluorooctane sulphonate
- Businesses with turnover above ₹5 crore must use 6-digit HSN codes
- Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
- The HSN code must match the product/service description on your invoice
- Incorrect HSN codes can lead to GST notices and ITC mismatches
Related HSN Codes
- 29041010 — Benzene Sulphonic Acid
- 29041020 — 1,5 Napthelene Disulphonic Acid (armstrong's Acid)
- 29041030 — Napthelene Sulphonic Acid
- 29041040 — Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated - Derivatives Containing Only Sulpho Groups, Their Salts and Ethyl Esters : Vinyl Sulphone
- 29041090 — Other
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Last verified: 2026-06-26 · Source: CBIC Master Tariff