HSN Code 28321020: Sodium Hydrosulphite

HSN Code 28321020 represents Sodium Hydrosulphite under GST classification. This code helps businesses identify Sodium Hydrosulphite correctly for billing, taxation, and trade. With HSN Code 28321020, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Sodium Hydrosulphite.

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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	2832	Sulphites; thiosulphates	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphites : Sodium hydrosulphite	9%	9%	18%	0%

Description of goods

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphites : Sodium hydrosulphite

Chapter

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

Sub Chapter

2832 – Sulphites; thiosulphates

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
28321010	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphites : Sodium bisulphite
28321090	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphites : Other
28322010	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphites : Potassium metabisulphite
28322020	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphites : Magnesium sulphite
28322090	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphites : Other
28323010	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Thiosulphates : Sodium thiosulphate (hypo)
28323020	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Thiosulphates : Magnesium thiosulphate
28323090	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Thiosulphates : Other

HSN Code 28321010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Sodium sulphites : Sodium bisulphite

HSN Code 28321090

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

HSN Code 28322010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphites : Potassium metabisulphite

HSN Code 28322020

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other sulphites : Magnesium sulphite

HSN Code 28322090

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

HSN Code 28323010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Thiosulphates : Sodium thiosulphate (hypo)

HSN Code 28323020

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Thiosulphates : Magnesium thiosulphate

HSN Code 28323090

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

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What products are classified under HSN 28321020 ?

It includes Sodium Hydrosulphite

Does packaging or labelling change the GST for Sodium Hydrosulphite?

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.

Can we claim ITC on inputs used to trade Sodium Hydrosulphite?

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

How should mixed supplies be billed when Sodium Hydrosulphite is sold with other items?

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

How much GST applies to Sodium Hydrosulphite?

Under HSN 28321020, Sodium Hydrosulphite attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Do e‑way bill and e‑invoice apply for Sodium Hydrosulphite?

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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