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, sulfonated, nitrated or nitrosated derivatives > Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives: > 2,2'-Oxydiethanol (Diethylene glycol, Digol)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2909.41.00.00
Diethylene Glycol USP Grade
Pharmaceutical-grade 2,2'-Oxydiethanol (Diethylene glycol) meeting USP standards for use as a solvent and humectant in medicinal formulations. This chemically defined ether-alcohol falls under HTS 2909.41.00.00 as a pure separate organic compound. It is commonly used in liquid pharmaceuticals, cosmetics, and as a lubricant in drug manufacturing.
Industrial Diethylene Glycol (DEG) 99.5% Pure
High-purity 2,2'-Oxydiethanol for use as a chemical intermediate in polyester resin and polyurethane production. This ether-alcohol is imported as a separate chemically defined organic compound under HTS 2909.41.00.00. Commonly used in antifreeze formulations and gas dehydration processes.
Diethylene Glycol Monobutyl Ether (DGMBE)
2-(2-Butoxyethoxy)ethanol, a butyl ether derivative of diethylene glycol used as a coalescing agent in latex paints. While technically an ether-alcohol derivative, pure forms are imported under the principal ether-alcohol heading HTS 2909.41.00.00. Essential for high-performance coatings and cleaners.
Diethylene Glycol for Polyester Production
Polymer-grade 2,2'-Oxydiethanol specifically purified for PET resin manufacturing with low acetaldehyde content (<10 ppm). Imported as a separate chemically defined ether-alcohol under HTS 2909.41.00.00 per Chapter Note (a). Critical intermediate for bottle-grade polyester production.
PharmaCosmetic Diethylene Glycol
Cosmetic-grade 2,2'-Oxydiethanol used as humectant in moisturizers, lotions, and toothpaste formulations. Meets CTFA and USP-NF standards with microbial limits and heavy metals specifications. Classified under HTS 2909.41.00.00 as a separate chemically defined ether-alcohol.
Diethylene Glycol with Stabilizer (0.01% Ionol)
Stabilized 2,2'-Oxydiethanol containing 10 ppm BHT (Ionol CP) antioxidant for extended shelf life during transport. Qualifies under Chapter Note (f) as ether-alcohol with added stabilizer necessary for preservation. Imported under HTS 2909.41.00.00 for unsaturated polyester resin production.
Technical Grade Diethylene Glycol 99.0%
Technical grade 2,2'-Oxydiethanol for general industrial applications including brake fluids and natural gas dehydration. Meets ASTM D 4986 specifications with monoethylene glycol ≤4%. Pure ether-alcohol imported under HTS 2909.41.00.00.
Diethylene Glycol Aqueous Solution 50%
50% 2,2'-Oxydiethanol in deionized water solution qualifying under Chapter Note (d) for ether-alcohols dissolved in water. Used in heat transfer applications and deicing fluids. Imported under HTS 2909.41.00.00 as chemically defined compound in water.
High Purity Diethylene Glycol for Electronics
Ultra-high purity 2,2'-Oxydiethanol (metals <1 ppm, particles <50/ml) for semiconductor cleaning and photoresist removal. Trace metal analysis certified for electronic grade applications. Ether-alcohol under HTS 2909.41.00.00.
Diethylene Glycol for Tobacco Humectant
Food contact compliant 2,2'-Oxydiethanol used as plasticizer and humectant in reconstituted tobacco sheet production. Meets 21 CFR 177.2410 indirect food additive requirements. Classified as separate ether-alcohol under HTS 2909.41.00.00.
Bio-Based Diethylene Glycol
Renewable 2,2'-Oxydiethanol derived from bio-ethylene oxide with >50% bio-carbon content per 14C testing. Chemically identical to petrochemical grade but with sustainability certification. Ether-alcohol imported under HTS 2909.41.00.00.
Diethylene Glycol for Ink Formulations
Low-odor 2,2'-Oxydiethanol for flexographic and gravure ink applications as viscosity modifier and humectant. Meets printing ink industry volatility and odor specifications. Pure ether-alcohol under HTS 2909.41.00.00.
Diethylene Glycol for Cell Culture Media
Cell culture tested 2,2'-Oxydiethanol sterile filtered and endotoxin tested (<0.5 EU/ml) for biopharmaceutical production. Meets USP and Ph. Eur. requirements for cell culture grade solvents. HTS 2909.41.00.00 ether-alcohol.
Diethylene Glycol 99.9% ACS Reagent
ACS reagent grade 2,2'-Oxydiethanol meeting American Chemical Society specifications for laboratory analysis and synthesis. Purity ≥99.9% with residue after ignition ≤0.005%. Laboratory ether-alcohol standard under HTS 2909.41.00.00.
Diethylene Glycol Distillation Cut 98%
98% 2,2'-Oxydiethanol distillation fraction from ethylene oxide/EO process containing 1-2% triethylene glycol. Qualifies as separate chemically defined compound under HTS 2909.41.00.00 despite minor impurities. Used in urethane prepolymer synthesis.