2909.44.01 - Other monoalkyl ethers of ethylene glycol or of diethylene glycol

This HTS classification, 2909.44.01, specifically covers monoalkyl ethers derived from either ethylene glycol or diethylene glycol, where the alkyl group is not of the types explicitly listed in sibling categories. These compounds are characterized by the presence of a single alkyl radical attached to the oxygen atom of a hydroxyl group within the glycol molecule. Such ethers are typically used as solvents, intermediates in chemical synthesis, or components in various industrial formulations.

Distinguishing this category from its siblings, 2909.41.00.00 is reserved for the direct compound 2,2'-Oxydiethanol (diethylene glycol), and 2909.43.00.00 specifically addresses monobutyl ethers of ethylene glycol or diethylene glycol. Therefore, 2909.44.01 encompasses all other monoalkyl ethers of these glycols, excluding those with a butyl substituent or the parent diethylene glycol itself. This ensures precise classification based on the specific alkyl chain attached to the glycol ether structure.

The subcategories within 2909.44.01 further refine this classification. 2909.44.01.10 is designated for monomethyl ethers of ethylene glycol or diethylene glycol, such as the monomethyl ether of ethylene glycol (2-methoxyethanol). Conversely, 2909.44.01.50 captures all "Other" monoalkyl ethers of ethylene glycol or diethylene glycol, meaning those with alkyl groups other than methyl or butyl. This hierarchical structure allows for granular tracking and reporting of specific types of glycol ethers entering international trade.