HSN CODE - 29309030 : THIO SULPHONIC ACID

Harmonised System of Nomenclature (HSN Codes) 29309030 are used for the THIO SULPHONIC 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 29309030

First two digits (29) represent the chapter number which is Chapter 29 - Organic chemicals

Next two digits (30) represent the heading number which is ORGANO-SULPHUR COMPOUNDS

Next two digits (90) represent the product code which is Other

Last two digits (30) are for final or deeper classification which is THIO SULPHONIC ACID

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