HSN Code 28332500: Copper Sulphate

HSN Code 28332500 represents Copper Sulphate under GST classification. This code helps businesses identify Copper Sulphate correctly for billing, taxation, and trade. With HSN Code 28332500, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Copper Sulphate.

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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	2833	Sulphates; alums; peroxosulphates (persulphates)	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of copper	9%	9%	18%	0%

Description of goods

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of copper

Chapter

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

Sub Chapter

2833 – Sulphates; alums; peroxosulphates (persulphates)

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
28331100	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Disodium sulphate
28331910	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Other : Sodium hydrogen sulphate (acid sulphate)
28331920	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Other : Sodium pyrosulphate
28331990	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Other : Other
28332100	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of magnesium
28332210	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of aluminium : Aluminium sulphate (iron free)
28332290	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of aluminium : Other
28332300	Sulphates; alums; peroxosulphates (persulphates) - other sulphates : of chromium
28332400	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of nickel
28332610	Sulphates; alums; peroxosulphates (persulphates) - other sulphates : - of zinc : agricultural grade zinc sulphate ordinarily used as micronutrient
28332690	Sulphates; alums; peroxosulphates (persulphates) - other sulphates : - of zinc : other
28332700	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of barium
28332910	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Ferrous sulphate
28332920	Sulphates; alums; peroxosulphates (persulphates) - other sulphates : - other : mercuric sulphate
28332930	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Quinidine sulphate
28332940	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Manganese sulphate
28332950	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Strontium sulphate
28332990	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Other
28333010	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Ammonium alum
28333020	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Ferric ammonium alum
28333030	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Potash alum
28333090	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Other
28334000	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Peroxosulphates (persulphates)

HSN Code 28331100

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Disodium sulphate

HSN Code 28331910

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Other : Sodium hydrogen sulphate (acid sulphate)

HSN Code 28331920

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Other : Sodium pyrosulphate

HSN Code 28331990

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphates : Other : Other

HSN Code 28332100

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of magnesium

HSN Code 28332210

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of aluminium : Aluminium sulphate (iron free)

HSN Code 28332290

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of aluminium : Other

HSN Code 28332300

Sulphates; alums; peroxosulphates (persulphates) - other sulphates : of chromium

HSN Code 28332400

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of nickel

HSN Code 28332610

Sulphates; alums; peroxosulphates (persulphates) - other sulphates : - of zinc : agricultural grade zinc sulphate ordinarily used as micronutrient

HSN Code 28332690

Sulphates; alums; peroxosulphates (persulphates) - other sulphates : - of zinc : other

HSN Code 28332700

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Of barium

HSN Code 28332910

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Ferrous sulphate

HSN Code 28332920

Sulphates; alums; peroxosulphates (persulphates) - other sulphates : - other : mercuric sulphate

HSN Code 28332930

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Quinidine sulphate

HSN Code 28332940

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Manganese sulphate

HSN Code 28332950

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Strontium sulphate

HSN Code 28332990

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphates : Other : Other

HSN Code 28333010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Ammonium alum

HSN Code 28333020

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Ferric ammonium alum

HSN Code 28333030

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Potash alum

HSN Code 28333090

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Alums : Other

HSN Code 28334000

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Peroxosulphates (persulphates)

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What products are classified under HSN 28332500 ?

It includes Copper Sulphate

How should mixed supplies be billed when Copper Sulphate is sold with other items?

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

Can we claim ITC on inputs used to trade Copper Sulphate?

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

Do e‑way bill and e‑invoice apply for Copper Sulphate?

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 much GST applies to Copper Sulphate?

Under HSN 28332500, Copper Sulphate attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Any common misclassification issue with Copper Sulphate?

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

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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