2,2'-Oxydiethanol (diethylene glycol, digol)
Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives. > Ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives: > 2,2'-Oxydiethanol (diethylene glycol, digol) > 2,2'-Oxydiethanol (diethylene glycol, digol)
Duty Rate (from China)
Products classified under Tariff item 2909.41.00.00
Bio-Based Diethylene Glycol
Bio-based diethylene glycol is chemically identical to petrochemical 2,2'-oxydiethanol but derived from renewable ethylene oxide, with over 50% bio-carbon content verified by 14C testing. It qualifies as a separate chemically defined organic compound under Chapter 29 Note 1(a) and is classified under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol 99.9% ACS Reagent
Diethylene glycol ACS reagent grade is 2,2'-oxydiethanol with purity ≥99.9% and low residue after ignition, meeting American Chemical Society specifications for laboratory use. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and falls under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol Aqueous Solution 50%
A 50% aqueous solution of 2,2'-oxydiethanol in deionized water qualifies under Chapter 29 Note 1(d) as a product of heading 29.09 dissolved in water. It is used in heat transfer applications and deicing fluids and is classified under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol Distillation Cut 98%
A 98% distillation cut of 2,2'-oxydiethanol containing 1-2% triethylene glycol qualifies as a separate chemically defined compound under Chapter 29 Note 1(a), as impurities do not preclude classification. It is used in urethane production and falls under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol for Cell Culture Media
Diethylene glycol for cell culture media is sterile-filtered 2,2'-oxydiethanol with endotoxin testing (<0.5 EU/ml) for biopharmaceutical production. It meets USP and Ph. Eur. requirements and is a separate chemically defined organic compound under Chapter 29 Note 1(a), classified under tariff item 2909.41.00.
2909.41.00Diethylene Glycol for Ink Formulations
Low-odor diethylene glycol for ink formulations is 2,2'-oxydiethanol used as a viscosity modifier and humectant in flexographic and gravure inks. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and falls under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol for Polyester Production
Polymer-grade diethylene glycol for polyester production is 2,2'-oxydiethanol purified with low acetaldehyde content (<10 ppm) for PET resin manufacturing. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and is classified under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol for Tobacco Humectant
Diethylene glycol for tobacco humectant is food-contact compliant 2,2'-oxydiethanol used as a plasticizer and humectant in reconstituted tobacco sheet production. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and falls under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol USP Grade
USP-grade diethylene glycol is pharmaceutical-grade 2,2'-oxydiethanol meeting United States Pharmacopeia standards for use as a solvent and humectant in medicinal formulations. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and is classified under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Diethylene Glycol with Stabilizer (0.01% Ionol)
Diethylene glycol with 0.01% Ionol stabilizer (BHT antioxidant) qualifies under Chapter 29 Note 1(f) as a product of heading 29.09 with an added stabilizer necessary for preservation or transport. It is classified under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00High Purity Diethylene Glycol for Electronics
Ultra-high purity diethylene glycol for electronics is 2,2'-oxydiethanol with metals <1 ppm and particles <50/ml for semiconductor cleaning and photoresist removal. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and falls under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Industrial Diethylene Glycol (DEG) 99.5% Pure
Industrial diethylene glycol 99.5% pure is 2,2'-oxydiethanol used as a chemical intermediate in polyester resin and polyurethane production. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and is classified under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00PharmaCosmetic Diethylene Glycol
Cosmetic-grade diethylene glycol is 2,2'-oxydiethanol used as a humectant in moisturizers, lotions, and toothpaste formulations, meeting CTFA and USP-NF standards. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and falls under tariff item 2909.41.00 as an ether-alcohol.
2909.41.00Technical Grade Diethylene Glycol 99.0%
Technical grade diethylene glycol 99.0% is 2,2'-oxydiethanol for general industrial applications including brake fluids and natural gas dehydration, meeting ASTM D 4986 specifications. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and is classified under tariff item 2909.41.00 as an ether-alcohol.