Description

Triethylene Glycol (TEG) is a high-purity, versatile glycol ether widely recognized for its exceptional hygroscopicity and solvent properties. This compound is a critical intermediate and performance additive across numerous industrial sectors, valued for its stability and low volatility. Key industries that rely on Triethylene Glycol CAS NO 112-27-6 include natural gas dehydration, polymer production, and the formulation of inks, adhesives, and humectants.

Application

• Natural Gas Dehydration: Acts as a highly effective liquid desiccant in glycol dehydration units to remove water vapor from natural gas and other hydrocarbon streams.
• Polymer & Plasticizer Industry: Serves as a chain extender in polyurethane synthesis and as a solvent/plasticizer for cellulose esters and other resins.
• Humectant & Solvent: Used in printing inks, adhesives, and coatings to control moisture and viscosity, and as a solvent for dyes and various organic compounds.
• Air Conditioning & Dehumidification: Employed as a desiccant in liquid desiccant air conditioning systems for deep dehumidification.
• Chemical Intermediate: A key raw material in the production of esters, polyesters, and morpholine.
• Gas Stream Purification: Used for the removal of water and other polar compounds from various industrial gas streams.
• Textile Processing: Functions as a lubricant and conditioning agent for synthetic fibers like polyester and nylon.
• Hydraulic & Brake Fluids: Utilized as a component in specialized formulations requiring hygroscopicity and lubricity.

Basic Information

Product Name	Triethylene Glycol
CAS No.	112-27-6
Molecular Formula	C6H14O4
Molecular Weight	150.17 g/mol
Synonyms	2,2'-[1,2-ethanediylbis(oxy)]bisethanol; Ethanol, 2,2'-[1,2-ethanediylbis(oxy)]bis-; TEG; Triglycol; 1,2-Bis(2-hydroxyethoxy)ethane; 3,6-Dioxa-1,8-octanediol; Glycol bis(hydroxyethyl) ether; Dowanol TEG; Triethyleneglycol
EINECS	203-953-2

Quality Control

Our Triethylene Glycol is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. We provide comprehensive quality documentation, including a Certificate of Analysis (COA) for each lot, detailing key parameters such as assay, water content, color, and acidity. Our production adheres to relevant industrial standards, and we can support requirements for specific grades upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. This product is hygroscopic (moisture-sensitive); ensure containers are kept sealed when not in use to prevent absorption of atmospheric moisture. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Clear, Colorless Liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0 %
Water Content (KF)	≤ 0.1 %
Color (APHA)	≤ 15
Specific Gravity (20/20°C)	1.122 - 1.128
Refractive Index (n20D)	1.455 - 1.457
Acidity (as CH3COOH)	≤ 0.01 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.