What is HSN Code 251990?
HSN code 251990 is the Harmonized System of Nomenclature classification for Natural Magnesium Carbonate (Magnesite); Fused Magnesia; Dead-Burned (Sintered) Magnesia,… 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 25 — Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement, which is part of Section V: Mineral Products. Every GST-registered business supplying natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia,… must quote HSN 251990 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.