290435Sub-heading (6-digit)Section VI

HSN Code 290435 – Other Salts Of Perfluorooctane Sulphonic Acid

Full GST classification for Other Salts Of Perfluorooctane Sulphonic Acid — chapter, heading and tariff hierarchy, and related HSN codes.

HSN Code

290435

Chapter

29

Digits

6-digit

Section

VI

What is HSN Code 290435?

HSN code 290435 is the Harmonized System of Nomenclature classification for Other Salts Of 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 other salts of perfluorooctane sulphonic acid must quote HSN 290435 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 290435

LevelCodeDescription
Chapter29organic chemicals
Heading2904sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
Sub-heading290435other salts of perfluorooctane sulphonic acid

GST rate for HSN 290435

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HSN Code 290435 — FAQs

What is HSN code 290435?

HSN code 290435 classifies "Other Salts Of Perfluorooctane Sulphonic Acid" under India's GST regime. It falls under Chapter 29 (Organic Chemicals) of the Harmonized System of Nomenclature.

How many digits is HSN code 290435?

290435 is a 6-digit HSN code — a sub-heading (6-digit). Businesses declare 4-digit HSN (turnover up to ₹5 crore) or 6-digit HSN (above ₹5 crore) on GST invoices; 8-digit codes are used for exports and imports.

Which chapter does HSN code 290435 belong to?

HSN 290435 belongs to Chapter 29 — Organic Chemicals, part of Section VI: Chemical Products.

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