What is HSN Code 2811?
HSN code 2811 is the Harmonized System of Nomenclature classification for Other Inorganic Acids And Other Inorganic Oxygen Compounds Of Non-Metals under India's Goods and Services Tax (GST). It is a 4-digit code sitting at the heading (4-digit) level of the HSN hierarchy.
This code belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, which is part of Section VI: Chemical Products. Every GST-registered business supplying other inorganic acids and other inorganic oxygen compounds of non-metals must quote HSN 2811 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.