HSN CODE - 28530099 : OTHER INORGANIC COMPOUNDS (INCLUDING DISTILLED OR CONDUCTIVITY WATER AND WATER OF SIMILAR PURITY); LIQUID AIR (WHETHER OR NOT RARE GASES HAVE BEEN REMOVED); COMPRESSED AIR; AMALGAMS, OTHER THAN AMALGAMS OF PRECIOUS METALS Other

Harmonised System of Nomenclature (HSN Codes) 28530099 are used for the OTHER INORGANIC COMPOUNDS (INCLUDING DISTILLED OR CONDUCTIVITY WATER AND WATER OF SIMILAR PURITY); LIQUID AIR (WHETHER OR NOT RARE GASES HAVE BEEN REMOVED); COMPRESSED AIR; AMALGAMS, OTHER THAN AMALGAMS OF PRECIOUS METALS Other 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 28530099

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 (53) represent the heading number which is OTHER INORGANIC COMPOUNDS (INCLUDING DISTILLED OR CONDUCTIVITY WATER AND WATER OF SIMILAR PURITY); LIQUID AIR (WHETHER OR NOT RARE GASES HAVE BEEN REMOVED); COMPRESSED AIR; AMALGAMS, OTHER THAN AMALGAMS OF PRECIOUS METALS

Next two digits (00) represent the product code which is Other

Last two digits (99) are for final or deeper classification which is Other

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