3606.90.40.00 - Metaldehyde

This classification covers metaldehyde, a specific organic compound that falls under the broader category of combustible preparations within Chapter 36 of the Harmonized Tariff Schedule. Metaldehyde is primarily known for its use as a molluscicide, a chemical substance used to control or kill mollusks such as snails and slugs. Its distinct chemical composition and primary application as a pesticide differentiate it from other combustible materials classified within this chapter.

Within the "Other" grouping of combustible materials (3606.90), this subheading is distinct from 3606.90.30.00, which specifically classifies ferrocerium and other pyrophoric alloys. Pyrophoric alloys are designed to produce sparks when struck or rubbed, a property fundamentally different from the chemical properties and intended use of metaldehyde. Therefore, while both are combustible, their material composition, manufacturing, and functional purposes are entirely separate.

As a leaf node in the HTS classification, 3606.90.40.00 does not have further subdivisions. Classification of goods under this specific code relies on their definitive identification as metaldehyde, typically confirmed by chemical analysis or product documentation that verifies its composition and intended use as a molluscicide or related pesticide formulation. Importers and exporters should ensure their documentation accurately reflects the product's identity to ensure correct classification.