Triethylene glycol (TEG 99.9%, CAS 112-27-6) is a colourless, odourless, viscous and hygroscopic liquid with low volatility. It is widely applied as gas dehydrating agent, solvent, plasticizer and heat transfer fluid in natural gas, resin and coating industries. TNJ Chemical, established in 2001, is a reliable manufacturer, you can buy it with competitive price and stable quality, please email sales@tnjchem.com
Product information
Chemical Name: Triethylene glycol
Alias: TEG, Triglycol, 2-[2-(2-hydroxyethoxy)ethoxy]ethanol
CAS No.:112-27-6
EINECS:203-953-2
Molecular formula: C₆H₁₄O₄Molecular Weight:150.17
Physical & Chemical Properties
Appearance: Colorless transparent viscous liquid, almost odorless
Density (20℃):1.124–1.126 g/mL
Boiling point:289.4 ℃Melting point: -7.2 ℃
Flash point:165 ℃
Refractive index n20/D:1.455
Vapor pressure: <0.01 mmHg @20℃
Solubility: Fully miscible with water, ethanol and polar solvents; slightly soluble in ether, insoluble in petroleum etherCharacter: Hygroscopic, low volatility, stable under normal temperature.
Quality specification
| Test Item | Industrial Grade |
|---|---|
| Assay (GC) | ≥99.0 % |
| Water content | ≤0.05 % |
| Color (Pt-Co) | ≤25 |
| Diethylene glycol (DEG) | ≤1.0 % |
| Tetraethylene glycol & heavier glycols | ≤0.5 % |
Use & application
Dehydrating agent for natural gas, petroleum associated gas and CO₂ gas drying system.
Solvent for nitrocellulose, resin, printing ink and aromatics extraction.
Plasticizer for PVC, vinyl acetate resin and rubber materials.
Heat transfer fluid, lubricant additive and organic synthesis intermediate.
Packing, Delivery and storage
220kg iron drum.
Non-dangerous goods for transportation. Store in cool, dry and ventilated warehouse. Keep tightly sealed to avoid moisture absorption. Keep away from strong oxidants. Shelf life: 24 months under proper storage.
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