HSN CODE - 28080020 : SULPHONITRIC ACID

Harmonised System of Nomenclature (HSN Codes) 28080020 are used for the SULPHONITRIC 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 28080020

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 (08) represent the heading number which is NITRIC ACID; SULPHONITRIC ACIDS

Next two digits (00) represent the product code which is Nitric acid; sulphonitric acids

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

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