Heavy Glycols

Heavy glycols are high-purity polyether diols engineered for superior moisture control, thermal stability, and chemical versatility across industrial applications. Primarily functioning as liquid desiccants, these compounds are the industry standard for natural gas dehydration and humidity control systems. By combining elevated boiling points with exceptional hygroscopic properties, they deliver cost-effective continuous operation while serving as plasticizers, chemical intermediates, and process fluids.

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Diethylene Glycol (DEG)

Diethylene Glycol (DEG) is a versatile, water-soluble organic compound formed by the ether linkage of two ethylene glycol molecules. This clear, nearly odorless liquid combines the chemical characteristics of both primary alcohols and ethers, delivering exceptional solvency power, hygroscopicity, and thermal stability in a single molecule.

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Triethylene Glycol (TEG)

Triethylene Glycol (TEG) is a high-purity polyether diol with the molecular formula HOCH₂CH₂OCH₂CH₂OCH₂CH₂OH (C₆H₁₄O₄, CAS 112-27-6). This colorless, odorless, viscous liquid is characterized by its exceptional hygroscopic properties, high boiling point (288°C), and low vapor pressure, making it the industry-standard liquid desiccant for natural gas dehydration.

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Tetraethylene Glycol (TTEG)

Tetraethylene Glycol (TTEG) is a high-purity polyether diol with the molecular formula HO(CH₂CH₂O)₄H (C₈H₁₈O₅, CAS 112-60-7). This transparent, colorless, practically odorless liquid is characterized by its moderate viscosity, low volatility, and hygroscopic properties—the highest molecular weight member of the common ethylene glycol oligomer series produced commercially.

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