HSN Code 28091000: Diphosphorus Pentaoxide

HSN Code 28091000 represents Diphosphorus Pentaoxide under GST classification. This code helps businesses identify Diphosphorus Pentaoxide correctly for billing, taxation, and trade. With HSN Code 28091000, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Diphosphorus Pentaoxide.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
28	Inorganic chemicals, organic or inorganic compounds of precious metals,of rare-earth metals, of radioactive elements or of isotopes	2809	Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Diphosphorus pentaoxide	9%	9%	18%	0%

Description of goods

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Diphosphorus pentaoxide

Chapter

28 – Inorganic chemicals, organic or inorganic compounds of precious metals,of rare-earth metals, of radioactive elements or of isotopes

Sub Chapter

2809 – Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
28092010	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Phosphoric acid and polyphosphoric acids : Phosporic acid (Fertilizer Grade)
28092010	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Phosphoric acid and polyphosphoric acids : Phosporic acid
28092020	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Phosphoric acid and polyphosphoric acids : Polyphosphoric acids

HSN Code 28092010

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Phosphoric acid and polyphosphoric acids : Phosporic acid (Fertilizer Grade)

HSN Code 28092010

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Phosphoric acid and polyphosphoric acids : Phosporic acid

HSN Code 28092020

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Phosphoric acid and polyphosphoric acids : Polyphosphoric acids

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What products are classified under HSN 28091000 ?

It includes Diphosphorus Pentaoxide

How much GST applies to Diphosphorus Pentaoxide?

Under HSN 28091000, Diphosphorus Pentaoxide attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Do e‑way bill and e‑invoice apply for Diphosphorus Pentaoxide?

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 Diphosphorus Pentaoxide is sold with other items?

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

Any common misclassification issue with Diphosphorus Pentaoxide?

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 Diphosphorus Pentaoxide?

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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