HS Code for Diethylene glycol

Diethylene glycol (DEG) is classified under HS code 2909.41, which specifically covers 2,2-oxydiethanol. This classification is determined by the chemical structure of the substance as an ether-alcohol. Within Chapter 29 of the Harmonized System, which governs organic chemicals, heading 2909 is dedicated to ethers, ether-alcohols, and their derivatives. Because diethylene glycol contains both an ether linkage and hydroxyl groups, it fits the criteria for an ether-alcohol. The specific subheading 2909.41 is a dedicated provision for this exact chemical compound, ensuring that it is not grouped with more general ether-alcohols. Proper classification is essential for regulatory compliance, as DEG is subject to strict safety standards due to its toxicity if ingested, despite its widespread industrial use as a solvent and chemical intermediate.

Products Included

• Pure diethylene glycol (2,2-oxydiethanol)
• Digol
• Industrial grade diethylene glycol
• Technical grade diethylene glycol for polyester resin production

Common Misclassification

Diethylene glycol is frequently confused with ethylene glycol, which is classified under HS code 2905.31. While both are glycols, ethylene glycol is a diol without an ether linkage. Another common error involves classifying DEG-based mixtures, such as prepared anti-freezing liquids, under HS code 3820.00. If the product is a pure chemical or a defined technical grade, it must remain in Chapter 29. Additionally, polyethylene glycols with a molecular weight exceeding a certain threshold may be classified under 3907.20 as polymers, rather than 2909.41.

FAQ

What is the HS code for diethylene glycol?

The specific HS code for diethylene glycol is 2909.41, which covers 2,2-oxydiethanol.

Is diethylene glycol classified as a polymer?

No, diethylene glycol is a well-defined organic chemical monomer. Only higher molecular weight chains like polyethylene glycol (PEG) are classified as polymers under Chapter 39.