28259040Tariff Item (8-digit)Section VI

HSN Code 28259040 – Calcium Hydroxide

Full GST classification for Calcium Hydroxide — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

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HSN Code

28259040

Chapter

28

Digits

8-digit

Section

VI

What is HSN Code 28259040?

HSN code 28259040 is the Harmonized System of Nomenclature classification for Calcium Hydroxide 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 calcium hydroxide must quote HSN 28259040 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 28259040

LevelCodeDescription
Chapter28inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading2825hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
Sub-heading282590other :
Tariff28259040calcium hydroxide

GST rate for HSN 28259040

Goods under HSN 28259040 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 Calcium Hydroxide →

HSN Code 28259040 — FAQs

What is HSN code 28259040?

HSN code 28259040 classifies "Calcium Hydroxide" 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 28259040?

28259040 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 28259040?

Goods under HSN 28259040 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 Calcium Hydroxide.

Which chapter does HSN code 28259040 belong to?

HSN 28259040 belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…, part of Section VI: Chemical Products.

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