HSN code 280920
Sub-heading in chapter 28 — Inorganic chemicals, organic or inorganic compounds of precious metals, of…
Phosphoric acid and polyphosphoric acids
Classification
| Code type | HSN — Harmonized System of Nomenclature |
|---|---|
| Level | Sub-heading (6 digits) |
| Section | Section VI — Chemical and allied products |
| Chapter 28 | Inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes |
| Heading 2809 | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined |
| Sub-heading 280920 | Phosphoric acid and polyphosphoric acids |
2 codes under HSN 280920
| HSN code | Description |
|---|---|
28092010 | Phosporic acid |
28092020 | Polyphosphoric acids |
Using HSN 280920 in GST
On GST invoices, a business with annual turnover up to ₹5 crore must show at least the first 4 digits (2809) on B2B invoices, and a business above ₹5 crore must show 6 digits (280920) on all invoices. The full 8-digit code is used for imports and exports.
The GST rate depends on the exact goods or service and any conditions in the rate notification, so it is not listed here. Check the official CBIC GST rate finder, then work out the tax with the GST calculator or make a bill with the GST invoice generator.
Frequently asked questions
What is HSN code 280920?
HSN code 280920 is the sub-heading for: Phosphoric acid and polyphosphoric acids.
What is the GST rate for HSN 280920?
GST rates are set by CBIC rate notifications and can depend on conditions, so check the CBIC GST rate finder for HSN 280920 before invoicing.
How many digits of HSN 280920 should I write on my invoice?
Up to ₹5 crore turnover: at least 4 digits (2809) on B2B invoices. Above ₹5 crore: 6 digits (280920) on all invoices.