HSN Code 28351090: Other Phosphinates/Phosphonates

HSN Code 28351090 represents Other Phosphinates/Phosphonates under GST classification. This code helps businesses identify Other Phosphinates/Phosphonates correctly for billing, taxation, and trade. With HSN Code 28351090, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Other Phosphinates/Phosphonates.

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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	2835	Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates,whether or not chemically defined	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphinates (hypophosphites) and phosphonates (phosphites) : Other	9%	9%	18%	0%

Description of goods

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphinates (hypophosphites) and phosphonates (phosphites) : Other

Chapter

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

Sub Chapter

2835 – Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates,whether or not chemically defined

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
28351010	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphinates (hypophosphites) and phosphonates (phosphites) : Calcium hypophosphite
28351020	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphinates (hypophosphites) and phosphonates (phosphites) : Magnesium hypophosphite
28352200	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Of mono-or disodium
28352300	Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined - phosphates : of trisodium
28352400	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS :Phosphates : Of potassium
28352500	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Calcium hydrogenorthophosphate("dicalcium phosphate")
28352610	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other phosphates of calcium : Calcium monobasic phosphate
28352620	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other phosphates of calcium : Calcium tribasic phosphate
28352690	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other phosphates of calcium : Other
28352910	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Magnesium phosphate, monobasic
28352920	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Magnesium phosphate, dibasic
28352930	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Magnesium phosphate, tribasic
28352940	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Sodium hexametaphosphate
28352990	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Other
28353100	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Polyphosphates : Sodium triphosphate (sodium tripoly-phosphate)
28353900	SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Polyphosphates : Other

HSN Code 28351010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphinates (hypophosphites) and phosphonates (phosphites) : Calcium hypophosphite

HSN Code 28351020

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphinates (hypophosphites) and phosphonates (phosphites) : Magnesium hypophosphite

HSN Code 28352200

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Of mono-or disodium

HSN Code 28352300

Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined - phosphates : of trisodium

HSN Code 28352400

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS :Phosphates : Of potassium

HSN Code 28352500

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Calcium hydrogenorthophosphate("dicalcium phosphate")

HSN Code 28352610

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other phosphates of calcium : Calcium monobasic phosphate

HSN Code 28352620

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other phosphates of calcium : Calcium tribasic phosphate

HSN Code 28352690

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other phosphates of calcium : Other

HSN Code 28352910

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Magnesium phosphate, monobasic

HSN Code 28352920

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Magnesium phosphate, dibasic

HSN Code 28352930

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Magnesium phosphate, tribasic

HSN Code 28352940

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Phosphates : Other: Sodium hexametaphosphate

HSN Code 28352990

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

HSN Code 28353100

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Polyphosphates : Sodium triphosphate (sodium tripoly-phosphate)

HSN Code 28353900

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

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What products are classified under HSN 28351090 ?

It includes Other Phosphinates/Phosphonates

How much GST applies to Other Phosphinates/Phosphonates?

Under HSN 28351090, Other Phosphinates/Phosphonates attracts Varies when sold in taxable form. Describe the exact form on the invoice.

How should mixed supplies be billed when Other Phosphinates/Phosphonates is sold with other items?

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

Do e‑way bill and e‑invoice apply for Other Phosphinates/Phosphonates?

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.

Does packaging or labelling change the GST for Other Phosphinates/Phosphonates?

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 Other Phosphinates/Phosphonates?

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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