HS Code for Sodium aluminosilicate

Sodium aluminosilicate is classified under HS code 284210. This code falls under Chapter 28, which deals with inorganic chemicals. Heading 2842 covers "other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides." Subheading 2842.10 is specifically for double or complex silicates, including aluminosilicates. These compounds consist of aluminum, silicon, and oxygen, along with a metal like sodium. They are often used as molecular sieves, catalysts, or anti-caking agents in food and industrial applications. The classification includes synthetic versions of these minerals. According to the Chapter 28 notes, this heading includes aluminosilicates even if they are not chemically defined, which is a unique provision for this category. This allows for the inclusion of various synthetic zeolites that have complex or variable structures. The classification is determined by the chemical nature of the product as a complex silicate of sodium and aluminum.

Products Included

• Synthetic sodium aluminosilicate
• Synthetic zeolites (sodium-based)
• Molecular sieves (aluminosilicate type)
• Sodium aluminum silicate anti-caking agents
• Amorphous sodium aluminosilicate

Common Misclassification

Sodium aluminosilicate is often misclassified under HS code 2507.00, which covers kaolin and other kaolinic clays, or 2530.90 for other mineral substances. However, Chapter 25 is for natural minerals, while 2842.10 is for synthetic or chemically processed aluminosilicates. It may also be confused with simple sodium silicates (2839.11 or 2839.19) or prepared binders for foundry molds (3824.10).

FAQ

What is the HS code for Sodium aluminosilicate?

The HS code for sodium aluminosilicate is 284210.

Are all zeolites classified under this code?

Synthetic zeolites are generally classified under 284210, but natural zeolites are classified as mineral products in Chapter 25, typically under 2530.90.