---
title: "HSN Code for Other Perfluorooctane Sulphonate Salts | HSN 29043500 GST Rate"
description: "Find HSN and GST Rates for 29043500 related to Other Perfluorooctane Sulphonate Salts with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29043500/"
---

# HSN Code 29043500: Other Perfluorooctane Sulphonate Salts

- [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 2904: Hydrocarbon derivatives](https://busy.in/hsn/sub-chapter-2904/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride: Other salts of perfluorooctane sulphonic acid | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29043500 ?

It includes Other Perfluorooctane Sulphonate Salts

### How should mixed supplies be billed when Other Perfluorooctane Sulphonate Salts is sold with other items?

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

### Can we claim ITC on inputs used to trade Other Perfluorooctane Sulphonate Salts?

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

### Any common misclassification issue with Other Perfluorooctane Sulphonate Salts?

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 Other Perfluorooctane Sulphonate Salts?

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.

### Does packaging or labelling change the GST for Other Perfluorooctane Sulphonate Salts?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.