HSN Code 29012400: Unsaturated| Buta-1,3-Diene, Isoprene

HSN Code 29012400 represents Unsaturated| Buta-1,3-Diene, Isoprene under GST classification. This code helps businesses identify Unsaturated| Buta-1,3-Diene, Isoprene correctly for billing, taxation, and trade. With HSN Code 29012400, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Unsaturated| Buta-1,3-Diene, Isoprene.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
29	Organic chemicals	2901	Acyclic hydrocarbons	Unsaturated : Buta-1,3-diene and isoprene	9%	9%	18%	0%

Description of goods

Unsaturated : Buta-1,3-diene and isoprene

Chapter

29 – Organic chemicals

Sub Chapter

2901 – Acyclic hydrocarbons

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
29011000	ACYCLIC HYDROCARBONS : Saturated
29012100	Unsaturated : Ethylene
29012200	Unsaturated : Propene (propylene)
29012300	Unsaturated : Butene (butylene) and isomers thereof
29012910	Unsaturated : Other : Acetylene, whether or not in dissolved condition
29012920	Unsaturated : Other : Heptene (Heptylene)
29012930	Unsaturated : Other : Dihydromyrcene
29012940	Unsaturated : Other : Tetradecene
29012990	Unsaturated : Other : Other

HSN Code 29011000

ACYCLIC HYDROCARBONS : Saturated

HSN Code 29012100

Unsaturated : Ethylene

HSN Code 29012200

Unsaturated : Propene (propylene)

HSN Code 29012300

Unsaturated : Butene (butylene) and isomers thereof

HSN Code 29012910

Unsaturated : Other : Acetylene, whether or not in dissolved condition

HSN Code 29012920

Unsaturated : Other : Heptene (Heptylene)

HSN Code 29012930

Unsaturated : Other : Dihydromyrcene

HSN Code 29012940

Unsaturated : Other : Tetradecene

HSN Code 29012990

Unsaturated : Other : Other

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What products are classified under HSN 29012400 ?

It includes Unsaturated| Buta-1,3-Diene, Isoprene

How much GST applies to Unsaturated/ Buta-1,3-Diene, Isoprene?

Under HSN 29012400, Unsaturated/ Buta-1,3-Diene, Isoprene attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Do e‑way bill and e‑invoice apply for Unsaturated/ Buta-1,3-Diene, Isoprene?

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.

How should mixed supplies be billed when Unsaturated/ Buta-1,3-Diene, Isoprene is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Unsaturated/ Buta-1,3-Diene, Isoprene; Nil for exempt items if applicable).

Any common misclassification issue with Unsaturated/ Buta-1,3-Diene, Isoprene?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

Can we claim ITC on inputs used to trade Unsaturated/ Buta-1,3-Diene, Isoprene?

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

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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