280920Sub-heading (6-digit)Section VI

HSN Code 280920Phosphoric Acid And Polyphosphoric Acids :

Full GST classification for Phosphoric Acid And Polyphosphoric Acids : — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

HSN Code

280920

Chapter

28

Digits

6-digit

Section

VI

What is HSN Code 280920?

HSN code 280920 is the Harmonized System of Nomenclature classification for Phosphoric Acid And Polyphosphoric Acids : under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.

This code belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…, which is part of Section VI: Chemical Products. Every GST-registered business supplying phosphoric acid and polyphosphoric acids : must quote HSN 280920 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 280920

LevelCodeDescription
Chapter28inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading2809diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined
Sub-heading280920phosphoric acid and polyphosphoric acids :

GST rate for HSN 280920

Goods under HSN 280920 attract GST at one of the five standard slabs. The exact rate depends on the specific product and the latest GST Council notification — always confirm before invoicing.

0%

Nil / Exempt

Fresh produce, milk, cereals, books

5%

Merit rate

Essentials, packaged food, transport

12%

Standard-low

Processed food, mobiles, apparel > ₹1,000

18%

Standard

Most goods, electronics, services

28%

Demerit / luxury

Cars, cement, aerated drinks, tobacco

Find the exact GST rate for Phosphoric Acid And Polyphosphoric Acids :

HSN Code 280920 — FAQs

What is HSN code 280920?

HSN code 280920 classifies "Phosphoric Acid And Polyphosphoric Acids :" under India's GST regime. It falls under Chapter 28 (Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…) of the Harmonized System of Nomenclature.

How many digits is HSN code 280920?

280920 is a 6-digit HSN code — a sub-heading (6-digit). Businesses declare 4-digit HSN (turnover up to ₹5 crore) or 6-digit HSN (above ₹5 crore) on GST invoices; 8-digit codes are used for exports and imports.

What is the GST rate for HSN code 280920?

Goods under HSN 280920 are taxed at one of the GST slabs — 0%, 5%, 12%, 18% or 28% — depending on the exact product and the latest GST Council notification. Use the Laabam.One GST Rate Finder to confirm the current rate for Phosphoric Acid And Polyphosphoric Acids :.

Which chapter does HSN code 280920 belong to?

HSN 280920 belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…, part of Section VI: Chemical Products.

Auto-fill HSN 280920 on every invoice

Laabam.One ERP stores HSN codes against your products and auto-populates them on GST invoices, e-invoices and GSTR-1 — no manual lookup, no classification errors.