Q3HSN Code 2917
Polycarboxylic acids, their anhydrides, halides, peroxides
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives
GST rate
| Gibberellic acid | 5% |
| All organic chemicals other than giberellic acid | 18% |
Codes under 2917
| Code | Description | GST rate |
|---|---|---|
| 2917 11 | Oxalic acid, its salts and esters: | Varies |
| 2917 11 10 | Oxalic acid | Varies |
| 2917 11 20 | Calcium oxalate | Varies |
| 2917 11 30 | Strontium oxalate | Varies |
| 2917 11 40 | Diethyl oxalate | Varies |
| 2917 12 | Adipic acid, its salts and esters | Varies |
| 2917 13 | Azelaic acid, sebacic acid, their salts and esters: | Varies |
| 2917 13 00 | Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: azelaic acid, sebacic acid, their salts and esters | Varies |
| 2917 13 10 | Sebacic acid | Varies |
| 2917 14 | Maleic anhydride | Varies |
| 2917 19 | Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives › Other | Varies |
| 2917 19 10 | Maleic acid | Varies |
| 2917 19 20 | Malonic acid | Varies |
| 2917 19 21 | Malonic acid, its salts and esters: malonic acid | Varies |
| 2917 19 22 | Malonic acid, its salts and esters: diethyl malonate | Varies |
| 2917 19 29 | Malonic acid, its salts and esters: other | Varies |
| 2917 19 30 | Succinic acid | Varies |
| 2917 19 40 | Ferrous fumarate | Varies |
| 2917 19 50 | Fumaric acid | Varies |
| 2917 19 60 | Itaconic acid | Varies |
| 2917 19 70 | Ethoxy methylene malonate, diethyl malonate | Varies |
| 2917 19 80 | Isoprothiolane | Varies |
| 2917 20 | Cyclanic, cyclenic or cycloterpenic, polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives | Varies |
| 2917 31 00 | Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:dibutyl orthophthalates | Varies |
| 2917 32 | Dioctyl orthophthalates | Varies |
| 2917 33 | Dinonyl or didecyl orthophthalates | Varies |
| 2917 34 | Other esters of orthophthalic acid — polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives | Varies |
| 2917 35 | Phthalic anhydride | Varies |
| 2917 36 | Terephthalic acid and its salts | Varies |
| 2917 37 | Dimethyl terephthalate | Varies |
| 2917 39 | Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives › Other | Varies |
| 2917 39 10 | Dibutyl phthalate | Varies |
| 2917 39 20 | Dioctyl isophthalate and dioctyl terephthalate | Varies |
| 2917 39 30 | Phthalic acid | Varies |
| 2917 39 40 | Dimethyl phthalate | Varies |
| 2917 39 50 | Trimellitic anhydride | Varies |
| 2917 39 60 | Isophthalic acid | Varies |
← Chapter 29: Organic chemicals and chemical compounds
Related HSN codes
2918Carboxylic acids with additional oxygen function and their2916Unsaturated acyclic monocarboxylic acids, cyclic2919Phosphoric esters and their salts2915Saturated acyclic monocarboxylic acids and their2920Esters of other inorganicacids of non metals2914Ketones and quinones, whether or not with other oxygen
Frequently Asked Questions
What is the HSN code for polycarboxylic acids, their anhydrides, halides, peroxides?
The HSN code for polycarboxylic acids, their anhydrides, halides, peroxides is 2917, under Chapter 29 (Organic chemicals and chemical compounds).
What is the GST rate on polycarboxylic acids, their anhydrides, halides, peroxides?
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.