HSN Code 2904
Sulphonated, nitrated or nitrosated derivatives
Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
GST rate
| Gibberellic acid | 5% |
| All organic chemicals other than giberellic acid | 18% |
Codes under 2904
| Code | Description | GST rate |
|---|---|---|
| 2904 10 | Derivatives containing only sulpho groups, their salts and ethyl esters: | Varies |
| 2904 10 10 | Benzene sulphonic acid | Varies |
| 2904 10 20 | 1,5 napthelene disulphonic acid (armstrong's acid) | Varies |
| 2904 10 30 | Napthelene sulphonic acid | Varies |
| 2904 10 40 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - derivatives containing only sulpho groups, their salts and ethyl esters: vinyl sulphone | Varies |
| 2904 20 | Derivatives containing only nitro or only nitroso groups: | Varies |
| 2904 20 10 | Nitrobenzene | Varies |
| 2904 20 20 | Meta dinitrobenzene | Varies |
| 2904 20 30 | Meta nitrotoluene | Varies |
| 2904 20 40 | Ortho nitrotoluene | Varies |
| 2904 20 50 | Para nitrotoluene | Varies |
| 2904 20 60 | Dinitrotoluene | Varies |
| 2904 31 | Perfluorooctane sulphonic acid | Varies |
| 2904 32 | Ammonium perfluorooctane sulphonate | Varies |
| 2904 33 | Lithium perfluorooctane sulphonate | Varies |
| 2904 34 | Potassium perfluorooctane sulphonate | Varies |
| 2904 35 | Other salts of perfluorooctane sulphonic acid — sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | Varies |
| 2904 36 | Perfluorooctane sulphonyl fluoride | Varies |
| 2904 90 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated › Other | Varies |
| 2904 90 10 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: 2,5 dichloro nitrobenzene | Varies |
| 2904 90 20 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: dinitrochlorobenzene | Varies |
| 2904 90 30 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: meta nitrochlorobenzene | Varies |
| 2904 90 40 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: ortho nitrochlorobenzene | Varies |
| 2904 90 50 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: para nitrochlorobenzene | Varies |
| 2904 90 60 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: 2-nitrochlorotoluene | Varies |
| 2904 90 70 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: sodium meta nitrobenzene sulphonate | Varies |
| 2904 90 80 | Chloropicrin (trichloronitro-methane) | Varies |
| 2904 90 90 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated - other: other | Varies |
| 2904 91 | Trichloronitromethane (chloropicrin) | Varies |
| 2904 99 | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated › Other | Varies |
| 2904 99 10 | 2, 5 dichloronitrobenzene | Varies |
| 2904 99 20 | Dinitrochlorebenzene | Varies |
| 2904 99 30 | Meta nitrochlorobenzene | Varies |
| 2904 99 40 | Ortho nitrochlorobenzene | Varies |
| 2904 99 50 | Para nitrochlorobenzene | Varies |
| 2904 99 60 | 2-Nitrochlorotoluene | Varies |
| 2904 99 70 | Sodium meta nitrochlorobenzene sulphonate | Varies |
← Chapter 29: Organic chemicals and chemical compounds
Related HSN codes
Frequently Asked Questions
What is the HSN code for sulphonated, nitrated or nitrosated derivatives?
The HSN code for sulphonated, nitrated or nitrosated derivatives is 2904, under Chapter 29 (Organic chemicals and chemical compounds).
What is the GST rate on sulphonated, nitrated or nitrosated derivatives?
It depends on the specific item: gibberellic acid is 5%; all organic chemicals other than giberellic acid is 18%.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.