HSN CODE - 28092020 : P0LYPH0SPH0RIC ACID

Harmonised System of Nomenclature (HSN Codes) 28092020 are used for the P0LYPH0SPH0RIC ACID products under Goods and Service Tax classification.

India was originally using 6 digit HSN codes to classify commodities but later two more digits were added to make the codes more precise, resulting in an 8 digit classification.

Understanding HSN Code 28092020

First two digits (28) represent the chapter number which is Chapter 28 - Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

Next two digits (09) represent the heading number which is DIPHOSPHORUS PENTAOXIDE; PHOSPHORIC ACID; POLYPHOSPHORIC ACIDS WHETHER OR NOT CHEMICALLY DEFINED

Next two digits (20) represent the product code which is Phosphoric acid and polyphosphoric acids

Last two digits (20) are for final or deeper classification which is P0LYPH0SPH0RIC ACID

All 8 digits of HSN code is mandatory for export & imports for tax invoice of GST.