HSN Code 290431 – Perfluorooctane Sulphonic Acid

What is HSN Code 290431?

HSN code 290431 is the Harmonized System of Nomenclature classification for Perfluorooctane Sulphonic Acid under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.

This code belongs to Chapter 29 — Organic Chemicals, which is part of Section VI: Chemical Products. Every GST-registered business supplying perfluorooctane sulphonic acid must quote HSN 290431 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 290431

GST rate for HSN 290431

Look up the current GST rate for Perfluorooctane Sulphonic Acid in the GST Rate Finder before you invoice.

Sub-codes under this classification

HSN Code 290431 — FAQs