Triethylene glycol, TEG, or triglycol is a colorless odorless viscous liquid with molecular formula C6H14O4. It is used as a plasticizer for vinyl polymers. Get Best price of 99% pure 5 litre Can of Triethylene Glycol CAS No. 112-27-6, C6H14O4. For Certificate of Analysis (COA) & MSDS, kindly contact us. We offer Clean and Pure Triethylene Glycol to our customers with high viscosity and a high boiling point. Triethylene Glycol Uses TEG is used by the oil and gas industry to "dehydrate" natural gas. Triethylene glycol is well established as a relatively mild disinfectant toward a variety of bacteria, influenza A viruses and spores of Penicillium notatum fungi. It is used for control of Acute Respiratory Diseases. It is used as a dehydrating agent for natural gas pipelines where it removes the water from the gas before being condensed and reused in the system.