---
title: "HSN Code for Perfluoroisobutene (PFIB): PFIB Gas | HSN 29035910 GST Rate"
description: "Find HSN and GST Rates for 29035910 related to Perfluoroisobutene (PFIB): PFIB Gas with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29035910/"
---

# HSN Code 29035910: Perfluoroisobutene (PFIB): PFIB Gas

- [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 2903: Halogenated hydrocarbons derivatives](https://busy.in/hsn/sub-chapter-2903/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Unsaturated fluorinated derivatives of acyclic hydrocarbons: Other: 1,1,3,3,3-pentafluoro-2-(trifluoro-methyl) prop-1-ene [Perfluoroisobutene (PFIB)] | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29035910 ?

It includes Perfluoroisobutene (PFIB): PFIB Gas

### How should mixed supplies be billed when Perfluoroisobutene (PFIB): PFIB Gas is sold with other items?

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

### Does packaging or labelling change the GST for Perfluoroisobutene (PFIB): PFIB Gas?

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.

### Do e‑way bill and e‑invoice apply for Perfluoroisobutene (PFIB): PFIB Gas?

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.

### Any common misclassification issue with Perfluoroisobutene (PFIB): PFIB Gas?

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

### Can we claim ITC on inputs used to trade Perfluoroisobutene (PFIB): PFIB Gas?

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