---
title: "HSN Code for Sulphonamides | HSN 29355000 GST Rate"
description: "Find HSN and GST Rates for 29355000 related to Sulphonamides with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29355000/"
---

# HSN Code 29355000: Sulphonamides

- [Section 06: Guide to HSN Section 06](https://busy.in/hsn/section-06/)
- [Chapter 29: Organic Chemicals](https://busy.in/hsn/chapter-29/)
- [Sub-chapter 2935: Sulphonamides](https://busy.in/hsn/sub-chapter-2935/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Sulphonamides : Other perfluorooctane sulphonamides | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29355000 ?

It includes Sulphonamides

### Any common misclassification issue with Sulphonamides?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

### Do e‑way bill and e‑invoice apply for Sulphonamides?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

### How much GST applies to Sulphonamides?

Under HSN 29355000, Sulphonamides attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### How should mixed supplies be billed when Sulphonamides is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Sulphonamides; Nil for exempt items if applicable).

### Can we claim ITC on inputs used to trade Sulphonamides?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.