HSN Code 29173950: Trimellitic Anhydride

HSN Code 29173950 represents Trimellitic Anhydride under GST classification. This code helps businesses identify Trimellitic Anhydride correctly for billing, taxation, and trade. With HSN Code 29173950, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Trimellitic Anhydride.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
29	Organic chemicals	2917	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:Other :Trimellitic anhydride	9%	9%	18%	0%

Description of goods

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other :Trimellitic anhydride

Chapter

29 – Organic chemicals

Sub Chapter

2917 – Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
29171110	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Oxalic acid, its salts and esters : Oxalic acid
29171120	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Calcium oxalate
29171130	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Strontium oxalate
29171140	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Diethyl oxalate
29171190	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Other
29171200	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Adipic acid, its salts and esters
29171300	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
29171310	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Azelaic acid, sebacic acid, their salts and esters: Sebacic Acid
29171390	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Azelaic acid, sebacic acid, their salts and esters: Other
29171400	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Maleic anhydride
29171910	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Maleic acid
29171920	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Malonic acid
29171930	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Succinic acid
29171940	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Ferrous fumarate
29171950	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Fumaric acid
29171960	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Itaconic acid
29171970	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other :Ethoxy methylene malonate, diethyl malonate
29171990	Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Other
29172000	Cyclanic, cyclenic or cycloterpenic, polycaroxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
29173100	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
29173200	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Dioctyl orthophthalates
29173300	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Dinonyl or didecyl orthophthalates
29173400	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other esters of orthophthalic acid
29173500	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Phthalic anhydride
29173600	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Terephthalic acid and its salts
29173700	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Dimethyl terephthalate
29173910	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other : Dibutyl phthalate
29173920	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other :Dioctyl phthalate
29173930	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Phthalic acid
29173940	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Dimethyl phthalate
29173960	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Isophthalic acid
29173990	Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other : Other

HSN Code 29171110

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Oxalic acid, its salts and esters : Oxalic acid

HSN Code 29171120

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Calcium oxalate

HSN Code 29171130

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Strontium oxalate

HSN Code 29171140

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Diethyl oxalate

HSN Code 29171190

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Oxalic acid, its salts and esters : Other

HSN Code 29171200

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Adipic acid, its salts and esters

HSN Code 29171300

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

HSN Code 29171310

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Azelaic acid, sebacic acid, their salts and esters: Sebacic Acid

HSN Code 29171390

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Azelaic acid, sebacic acid, their salts and esters: Other

HSN Code 29171400

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Maleic anhydride

HSN Code 29171910

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Maleic acid

HSN Code 29171920

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Malonic acid

HSN Code 29171930

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Succinic acid

HSN Code 29171940

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Ferrous fumarate

HSN Code 29171950

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Fumaric acid

HSN Code 29171960

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Itaconic acid

HSN Code 29171970

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other :Ethoxy methylene malonate, diethyl malonate

HSN Code 29171990

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Other

HSN Code 29172000

Cyclanic, cyclenic or cycloterpenic, polycaroxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives

HSN Code 29173100

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

HSN Code 29173200

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Dioctyl orthophthalates

HSN Code 29173300

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Dinonyl or didecyl orthophthalates

HSN Code 29173400

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other esters of orthophthalic acid

HSN Code 29173500

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Phthalic anhydride

HSN Code 29173600

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Terephthalic acid and its salts

HSN Code 29173700

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Dimethyl terephthalate

HSN Code 29173910

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other : Dibutyl phthalate

HSN Code 29173920

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other :Dioctyl phthalate

HSN Code 29173930

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Phthalic acid

HSN Code 29173940

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Dimethyl phthalate

HSN Code 29173960

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Other : Isophthalic acid

HSN Code 29173990

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other : Other

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What products are classified under HSN 29173950 ?

It includes Trimellitic Anhydride

Does packaging or labelling change the GST for Trimellitic Anhydride?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

How should mixed supplies be billed when Trimellitic Anhydride is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Trimellitic Anhydride; Nil for exempt items if applicable).

Can we claim ITC on inputs used to trade Trimellitic Anhydride?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

How much GST applies to Trimellitic Anhydride?

Under HSN 29173950, Trimellitic Anhydride attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Do e‑way bill and e‑invoice apply for Trimellitic Anhydride?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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