---
title: "HSN Code for Poly(phenylene oxide) | HSN 39089090 GST Rate"
description: "Find HSN and GST Rates for 39089090 related to Poly(phenylene oxide) with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-39089090/"
---

# HSN Code 39089090: Poly(phenylene oxide)

- [Section 07: Guide to HSN Section 07](https://busy.in/hsn/section-07/)
- [Chapter 39: Plastics and Articles Thereof](https://busy.in/hsn/chapter-39/)
- [Sub-chapter 3908: Primary forms polyamides](https://busy.in/hsn/sub-chapter-3908/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Polyamides in primary forms - other : other | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 39089090 ?

It includes Gaskets

### How should mixed supplies be billed when Poly(phenylene oxide) is sold with other items?

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

### Can we claim ITC on inputs used to trade Poly(phenylene oxide)?

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

### Do e‑way bill and e‑invoice apply for Poly(phenylene oxide)?

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 Poly(phenylene oxide)?

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

### How much GST applies to Poly(phenylene oxide)?

Under HSN 39089090, Poly(phenylene oxide) attracts Varies when sold in taxable form. Describe the exact form on the invoice.