Indian ITC-HS · Heading (4-digit)
HSN / HS Code 2918CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
Why might this GST rate differ?
This is the base GST / IGST rate for the heading. The actual rate can vary with the product’s composition, form, packaging or end use — some sub-items attract a different rate under the schedules and exemptions of Notification 09/2025-Integrated Tax (Rate). Always verify the exact item before filing.
HSN code 2918 covers CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. GST / IGST is 18%.
Ask AI about this code
Answers are grounded in the official tariff data shown on this page.
AI-generated from official tariff data on this page, and may use web search for added context. Indicative only — verify duties and compliance against the latest CBIC/DGFT notifications before importing.
Where this code sits
- 12918Heading (4-digit)CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
Subheadings under HSN heading 2918
The 6-digit subheadings within heading 2918. Open one to reach the 8-digit tariff items and their exact GST + import-duty stack.
- 291811Lactic acid, its salts and esters :
- 291812CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
- 291813Salts and esters of tartaric acid :
- 291814CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
- 291815Salts and esters of citric acid :
- 291816Gluconic acid, its salts and esters :
- 291817CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
- 291818CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
- 291819Other:
- 291821Salicylic acid and its salts :
- 291822CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
- 291823Other esters of salicylic acid and their salts :
- 291829Other :
- 291830Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
- 291891CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :
- 291899Other:
What is an HSN Code?
An HSN code (Harmonized System of Nomenclature) is an internationally standardised numeric system to classify traded products. Indian customs extend it to an 8-digit ITC-HS code for more precise classification, taxation and compliance.
- First 2 digits: Chapter (e.g. 29)
- Digits 3–4: Heading
- Digits 5–6: Subheading (WCO-aligned)
- Last 2 digits: Indian ITC extension for added granularity
Why is the right HSN code important?
- Ensures correct calculation of customs duties and taxes.
- Required for shipping bills, bills of entry, GST filings and FTA certificates of origin.
- Helps avoid clearance delays, penalties or reclassification disputes.
How to use this HSN code
Export Documentation
Use this code in your Commercial Invoice, Packing List, and Shipping Bill for exports from India.
Import Clearance
Required for the Bill of Entry and customs clearance when importing goods into India.
GST Classification
Drives the applicable GST rate, HSN-wise summary in GSTR-1 and ITC eligibility checks.
Common HSN code mistakes to avoid
- • Reusing outdated or incorrect codes from old shipments
- • Mixing up similar product codes without checking descriptions
- • Ignoring the last 2 digits which affect Indian duty rates
- • Not considering composition, end use or manufacturing process
- • Relying solely on online tools without professional verification
Need more information?
For complex products, consult with customs brokers or trade experts who can classify based on:
- • Physical product inspection
- • Material composition / manufacturing process
- • Intended end-use
- • Latest customs notifications & advance rulings
Additional Resources
• DGFT Policy: Guidelines for export-import procedures
• Customs Tariff: Complete HSN code list with duty rates
• GST Notifications: Latest tax-rate updates
• Trade Portal: Government trade documentation support
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Open toolHSN Code 2918 — FAQs
Duty, GST and classification questions answered from the official Customs Tariff data.
HSN code 2918 (CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives) attracts 18% IGST under Schedule II of the GST notification.
HSN code 2918 covers CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. It sits under Chapter 29 – Organic chemicals, in Section VI – PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES.
The HSN code for CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives is 2918, classified under Chapter 29 – Organic chemicals of India's Customs Tariff (ITC-HS).
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