28111920Tariff Item (8-digit)Section VI

HSN Code 28111920 – Hypophosphorus Acid (Phosphinic Acid)

Full GST classification for Hypophosphorus Acid (Phosphinic Acid) — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

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HSN Code

28111920

Chapter

28

Digits

8-digit

Section

VI

What is HSN Code 28111920?

HSN code 28111920 is the Harmonized System of Nomenclature classification for Hypophosphorus Acid (Phosphinic Acid) under India's Goods and Services Tax (GST). It is a 8-digit code sitting at the tariff item (8-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 hypophosphorus acid (phosphinic acid) must quote HSN 28111920 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 28111920

LevelCodeDescription
Chapter28inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading2811other inorganic acids and other inorganic oxygen compounds of non-metals
Sub-heading281119other :
Tariff28111920hypophosphorus acid (phosphinic acid)

GST rate for HSN 28111920

Goods under HSN 28111920 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 Hypophosphorus Acid (Phosphinic Acid) →

HSN Code 28111920 — FAQs

What is HSN code 28111920?

HSN code 28111920 classifies "Hypophosphorus Acid (Phosphinic Acid)" 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 28111920?

28111920 is a 8-digit HSN code — a tariff item (8-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 28111920?

Goods under HSN 28111920 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 Hypophosphorus Acid (Phosphinic Acid).

Which chapter does HSN code 28111920 belong to?

HSN 28111920 belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…, part of Section VI: Chemical Products.

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