HSN CODE - 28259040 : CALCIUM HYDROXIDE

Harmonised System of Nomenclature (HSN Codes) 28259040 are used for the CALCIUM HYDROXIDE 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 28259040

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 (25) represent the heading number which is HYDRAZINE AND HYDROXYLAMINE AND THEIR INORGANIC SALTS; OTHER INORGANIC BASES; OTHER METAL OXIDES, HYDROXIDES AND PEROXIDES

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

Last two digits (40) are for final or deeper classification which is CALCIUM HYDROXIDE

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