What is HSN Code 31031100?
HSN code 31031100 is the Harmonized System of Nomenclature classification for Containing By Weight 35 % Or More Of Diphosphorus Pentaoxide (P2o5) 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 31 — Fertilisers, which is part of Section VI: Chemical Products. Every GST-registered business supplying containing by weight 35 % or more of diphosphorus pentaoxide (p2o5) must quote HSN 31031100 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.