What is HSN Code 28391100?
HSN code 28391100 is the Harmonized System of Nomenclature classification for Sodium Metasilicates under India's Goods and Services Tax (GST). It is a 8-digit code sitting at the tariff item (8-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 sodium metasilicates must quote HSN 28391100 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.