Rate at a Glance
Chapter 29
GST rate guide
Most organic chemicals are taxed at 18%. Some items, such as certain bulk drug intermediates, can have other rates.
Use this rate in hisabkitab: start free
Rates reflect GST changes effective 22 September 2025. Confirm the rate for your exact product description before filing.
All 22 HSN codes under 2931
| HSN code | Description |
|---|---|
| 29310010 | Other organo-inorganic compounds: organo-mercury compounds |
| 29310041 | Phosphonic acid,methyl - |
| 29310042 | Phosphonic acid,ethyl |
| 29310043 | Phosphonic acid,propyl |
| 29310044 | Phosphinic acid,methyl- |
| 29310051 | Phosponic acide,[methyl-(5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl]ester |
| 29310052 | Phosphonic acide,[methyl-bis (5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5- yl) methyl] ester |
| 29310053 | Phosphonic acid,methyl,dimethyl ester |
| 29310054 | Phosphonic acid propyl dimethyl ester |
| 29310055 | Phosphonic acid ethyl-diethyl ester |
| 29310056 | Phosphonochloridic acid methyl-,methyl ester |
| 29310057 | Phosphonous acid- methyl diethyl ester |
| 29310061 | 1 propanaminium n,n,n trimethyl 3-[1-oxo-9-octadecenyl amino] - (z)-methyl methyl phosphonate |
| 29310062 | O,o-dimethyl methyl phosphonate |
| 29310071 | Phosphonothioic dichloride,ethyl- |
| 29310072 | Phosphonic dichloride,methyl |
| 29310073 | Phosphonous dichloride,methyl- |
| 29311010 | Tetramethyl lead and tetraethyl lead--- tetramethyl lead |
| 29311020 | Tetramethyl lead and tetraethyl lead--- tetraethyl lead |
| 29312000 | Tributyltin compounds |
| 29319010 | Other---organo arsenic compounds |
| 29319090 | Other---other |
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