What is HSN Code 381900?
HSN code 381900 is the Harmonized System of Nomenclature classification for Hydraulic Brake Fluids 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 38 — Miscellaneous Chemical Products, which is part of Section VI: Chemical Products. Every GST-registered business supplying hydraulic brake fluids must quote HSN 381900 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.