HSN Code 28111940: Other Inorganic Acids and Inorganic Peroxides

HSN Code 28111940 represents Other Inorganic Acids and Inorganic Peroxides under GST classification. This code helps businesses identify Other Inorganic Acids and Inorganic Peroxides correctly for billing, taxation, and trade. With HSN Code 28111940, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Other Inorganic Acids and Inorganic Peroxides.

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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	2811	Other inorganic acids and other inorganic oxygen compounds of non-metals	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Sulphonic acid	9%	9%	18%	0%

Description of goods

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Sulphonic acid

Chapter

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

Sub Chapter

2811 – Other inorganic acids and other inorganic oxygen compounds of non-metals

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
28111100	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Hydrogen fluoride (hydrofluoric acid)
28111200	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Hydrogen cyanide (hydrofluoric acid)
28111910	Other inorganic acids and other inorganic oxygen compounds of non-metals - other inorganic acids : - other : hydrocyanic acid (hydrogen cyanide, prussic acid)
28111920	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Hypophosphorus acid (phosphinic acid)
28111930	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Acids of arsenic
28111990	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Other
28112110	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Carbon dioxide : Dry ice
28112190	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Carbon dioxide : Other
28112200	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Silicon dioxide
28112300	Other inorganic acids and other inorganic oxygen compounds of non-metals - other inorganic oxygen compounds of non-metals : sulphur dioxide
28112910	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Arsenic pentaoxide
28112920	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Arsenic trioxide
28112930	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Nitrous oxide
28112940	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Carbon monoxide
28112950	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Sulphur trioxide (sulphuric anhydride)
28112990	INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Other

HSN Code 28111100

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Hydrogen fluoride (hydrofluoric acid)

HSN Code 28111200

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Hydrogen cyanide (hydrofluoric acid)

HSN Code 28111910

Other inorganic acids and other inorganic oxygen compounds of non-metals - other inorganic acids : - other : hydrocyanic acid (hydrogen cyanide, prussic acid)

HSN Code 28111920

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Hypophosphorus acid (phosphinic acid)

HSN Code 28111930

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Acids of arsenic

HSN Code 28111990

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic acids : Other : Other

HSN Code 28112110

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Carbon dioxide : Dry ice

HSN Code 28112190

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Carbon dioxide : Other

HSN Code 28112200

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Silicon dioxide

HSN Code 28112300

Other inorganic acids and other inorganic oxygen compounds of non-metals - other inorganic oxygen compounds of non-metals : sulphur dioxide

HSN Code 28112910

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Arsenic pentaoxide

HSN Code 28112920

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Arsenic trioxide

HSN Code 28112930

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Nitrous oxide

HSN Code 28112940

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Carbon monoxide

HSN Code 28112950

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Sulphur trioxide (sulphuric anhydride)

HSN Code 28112990

INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS : Other inorganic oxygen compounds of non-metals : Other : Other

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What products are classified under HSN 28111940 ?

It includes Other Inorganic Acids and Inorganic Peroxides

How should mixed supplies be billed when Other Inorganic Acids and Inorganic Peroxides is sold with other items?

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

Can we claim ITC on inputs used to trade Other Inorganic Acids and Inorganic Peroxides?

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

Any common misclassification issue with Other Inorganic Acids and Inorganic Peroxides?

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

How much GST applies to Other Inorganic Acids and Inorganic Peroxides?

Under HSN 28111940, Other Inorganic Acids and Inorganic Peroxides attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Does packaging or labelling change the GST for Other Inorganic Acids and Inorganic Peroxides?

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.

Do e‑way bill and e‑invoice apply for Other Inorganic Acids and Inorganic Peroxides?

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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