HSN Code 28151110: Caustic Soda Flakes

HSN Code 28151110 represents Caustic Soda Flakes under GST classification. This code helps businesses identify Caustic Soda Flakes correctly for billing, taxation, and trade. With HSN Code 28151110, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Caustic Soda Flakes.

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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	2815	Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium	INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : Solid : Flakes	9%	9%	18%	0%

Description of goods

INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : Solid : Flakes

Chapter

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

Sub Chapter

2815 – Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
28151190	INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : Solid : Other
28151200	INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda)
28152000	INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Potassium hydroxide (caustic potash)
28153000	INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Peroxides of sodium or potassium

HSN Code 28151190

INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : Solid : Other

HSN Code 28151200

INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda)

HSN Code 28152000

INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Potassium hydroxide (caustic potash)

HSN Code 28153000

INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Peroxides of sodium or potassium

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What products are classified under HSN 28151110 ?

It includes Caustic Soda Flakes

How much GST applies to Caustic Soda Flakes?

Under HSN 28151110, Caustic Soda Flakes attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Can we claim ITC on inputs used to trade Caustic Soda Flakes?

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 Caustic Soda Flakes?

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 Caustic Soda Flakes is sold with other items?

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

Any common misclassification issue with Caustic Soda Flakes?

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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