283990Sub-heading (6-digit)Section VI

HSN Code 283990 – Silicates, Commercial Alkali Metal Silicates

Full GST classification for Silicates, Commercial Alkali Metal Silicates — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

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HSN Code

283990

Chapter

28

Digits

6-digit

Section

VI

What is HSN Code 283990?

HSN code 283990 is the Harmonized System of Nomenclature classification for Silicates, Commercial Alkali Metal Silicates 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 silicates, commercial alkali metal silicates must quote HSN 283990 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 283990

LevelCodeDescription
Chapter28inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading2839silicates, commercial alkali metal silicates
Sub-heading283990other :

GST rate for HSN 283990

Goods under HSN 283990 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 Silicates, Commercial Alkali Metal Silicates →

HSN Code 283990 — FAQs

What is HSN code 283990?

HSN code 283990 classifies "Silicates, Commercial Alkali Metal Silicates" 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 283990?

283990 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 283990?

Goods under HSN 283990 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 Silicates, Commercial Alkali Metal Silicates.

Which chapter does HSN code 283990 belong to?

HSN 283990 belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…, part of Section VI: Chemical Products.

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