What is HSN Code 391120?
HSN code 391120 is the Harmonized System of Nomenclature classification for Poly (1,3-Phenylene Methylphosphonate) 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 39 — Plastics And Articles Thereof, which is part of Section VII: Plastics & Rubber. Every GST-registered business supplying poly (1,3-phenylene methylphosphonate) must quote HSN 391120 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.