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HSN 291718% GSTITC EligibleRCM: Check notificationsLast reviewed: 22 Jan 2026

POLYCARBOXYLIC ACIDS

GST rate for HSN 2917 is 18%. Use the calculator, copy invoice-ready details, and verify ITC/RCM hints before filing (FY 2025–26).

Not legal advice • Verify before filing
Quick summary
TypeGoods
Intra-state split9% CGST + 9% SGST
Inter-state18% IGST
Tip: Compare nearby headings and chapter notes to avoid wrong classification.

GST Rate for HSN 2917

18%

Specific items under 2917

HSN CodeDescriptionGST Rate
291711OXALIC ACID, ITS SALTS AND ESTERS :18%
291712ADIPIC ACID, ITS SALTS AND ESTERS18%
291713AZELAIC ACID, SEBACIC ACID, THEIR SALTS AND ESTERS:18%
291714MALEIC ANHYDRIDE18%
291719OTHER :18%
291720CYCLANIC, CYCLENIC OR CYCLOTERPENIC, POLYCARBOXYLIC ACIDS, THEIR ANHYDRIDES, HALIDES, PEROXIDES, PEROXYACIDS AND THEIR DERIVATIVES18%
291732DIOCTYL ORTHOPHTHALATES18%
291733DINONYL OR DIDECYL ORTHOPHTHALATES18%
291734OTHER ESTERS OF ORTHOPHTHALIC ACID18%
291735PHTHALIC ANHYDRIDE18%
291736TEREPHTHALIC ACID AND ITS SALTS18%
291737DIMETHYL TEREPHTHALATE18%
291739OTHER :18%
29171110OXALIC ACID18%
29171120CALCIUM OXALATE18%
29171130STRONTIUM OXALATE18%
29171140DIETHYL OXALATE18%
29171190OTHER18%
29171200ADIPIC ACID, ITS SALTS AND ESTERS18%
29171300POLYCARBOXYLIC 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 ESTERS18%
29171310Sebacic acid18%
29171390Other18%
29171400MALEIC ANHYDRIDE18%
29171910MALEIC ACID18%
29171920MALONIC ACID18%
29171930SUCCINIC ACID18%
29171940FERROUS FUMARATE18%
29171950FUMARIC ACID18%
29171960ITACONIC ACID18%
29171970ETHOXY METHYLENE MALONATE, DIETHYL MALONATE18%
29171990OTHER18%
29172000CYCLANIC, CYCLENIC OR CYCLOTERPENIC, POLYCARBOXYLIC ACIDS, THEIR ANHYDRIDES, HALIDES, PEROXIDES, PEROXYACIDS AND THEIR DERIVATIVES18%
29173100POLYCARBOXYLIC 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 ORTHOPHTHALATES18%
29173200DIOCTYL ORTHOPHTHALATES18%
29173300DINONYL OR DIDECYL ORTHOPHTHALATES18%
29173400OTHER ESTERS OF ORTHOPHTHALIC ACID18%
29173500PHTHALIC ANHYDRIDE18%
29173600TEREPHTHALIC ACID AND ITS SALTS18%
29173700DIMETHYL TEREPHTHALATE18%
29173910DIBUTYL PHTHALATE18%
29173920DIOCTYL ISOPHTHALATE AND DIOCTYL TEREPHTHALATE18%
29173930PHTHALIC ACID18%
29173940DIMETHYL PHTHALATE18%
29173950TRIMELLITIC ANHYDRIDE18%
29173960ISOPHTHALIC ACID18%
29173990OTHER18%

Tax calculator for HSN 2917

Enter a taxable value to calculate GST. You can use this for a quick invoice estimate.

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Not legal advice • Verify before filing • For services (99), place-of-supply rules can change tax type.

Invoice example (₹1,000 taxable value)

Intra-state (CGST + SGST)
Taxable value₹1,000
CGST (9%)90.00
SGST (9%)90.00
Total invoice1180.00
Inter-state (IGST)
Taxable value₹1,000
IGST (18%)180.00
Total invoice1180.00
Chapter note
Organic Chemicals. Hydrocarbons, Alcohols, Ethers. Mostly 18%.

Compliance pointers (ITC / RCM / classification)

ITC hint

Input Tax Credit depends on usage conditions, restrictions, and supplier eligibility. Treat this as a quick hint — verify for edge cases.

ITC Eligible
RCM / special cases

Reverse Charge is notification-based and can depend on supplier status and transaction type. If you see a warning, double-check notifications and your invoice terms.

No chapter-level RCM note found. Still verify based on notification + supplier category.
Classification checks
  • Compare adjacent headings within Chapter 29 before finalizing.
  • Use chapter notes to avoid common confusions (materials vs finished goods, kits, etc.).
  • For services (99), place-of-supply can change whether IGST/CGST+SGST applies.

FAQs for HSN 2917

What is the GST rate for HSN 2917?

GST rate for HSN 2917 is 18%. Always verify the latest CBIC/GST notifications for changes.

Is HSN mandatory on invoices?

HSN is generally required on B2B invoices; the number of digits depends on turnover and the nature of supply. Exports/imports typically use more detailed codes.

How do I use this code on an invoice?

Add HSN 2917 in the line item and apply GST @ 18%. For intra-state supplies: 9% CGST + 9% SGST. For inter-state supplies: 18% IGST.

Does ITC apply for this HSN?

ITC depends on conditions and restrictions under GST law, plus the nature of usage and supplier eligibility. Use the ITC badge as a hint and verify with your CA for edge cases.

Can Reverse Charge (RCM) apply here?

RCM is notification-based and depends on the supply category, supplier status, and transaction type. If you see an RCM note, treat it as a “verify” signal.

What if I pick the wrong HSN?

Wrong classification can cause rate mismatch, notices, interest/penalty exposure, and reconciliation issues. Compare nearby headings and chapter notes before finalizing.

Sources & accuracy

Not legal advice • Always verify before filing • Page URL uses your deployed site base (no localhost leaks).

Next steps after choosing HSN 2917