What is HSN Code 2821?
HSN code 2821 is the Harmonized System of Nomenclature classification for Iron Oxides And Hydroxides; Earth Colours Containing 70% Or More By Weight Of Combined… 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…, which is part of Section VI: Chemical Products. Every GST-registered business supplying iron oxides and hydroxides; earth colours containing 70% or more by weight of combined… must quote HSN 2821 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.