Diethylene Glycol

 

Product Name	Diethylene Glycol,diglycol,DEG
Grade	Industrial Grade
CAS NO.	111-46-6
EINECS NO.	203-872-2
Molecular Formula	C4H10O3
Density	1.118g/cm3
Melting Point	-10.45℃
Boiling Point	244-245℃
Appearance	Clear and transparent, free from mechanical impurities.

 

Diethylene glycol (also known as diglycol) is a polyol and a toxic organic compound. At room temperature, it appears as a colorless, odorless, transparent, and hygroscopic viscous liquid with a sweet taste; it is miscible with water, alcohols, diethyl ether, and acetone.

 

The diethylene glycol supplied by our company has a purity of over 99.0%.

 

 

Analysis Item	Quality Indicator	Test Result
Color (Platinum-Cobalt)	≤15	6
Density	1.1155~1.1176	1.1163
Moisture,w%	≤0.10	0.0139
Boiling Range(0℃,0.10133MPa)  Initial boiling point	≥242.0	243.5
Boiling Range(0℃,0.10133MPa)  dry point	≤250.0	246.3
EG,w%	≤0.15	0.0037
TEG,w%	≤0.20	＜0.0020
DEG,w%	≥99.6	99.93
Acid(mg/kg)	≤100	6.9
Fe(mg/kg)	≤0.50	＜0.10

 

 

1. Can be used for the dehydration of natural gas, plasticizers, and surfactants;

2. Can serve as a solvent for nitrocellulose, dyes, and oils;

3. Can act as a humectant for tobacco, casein, synthetic sponges, and paper products;

4. Can be used in the production of polyurethane and saturated polyester resins;

5. Can serve as a textile softener;

6. Used in petroleum extraction, antifreeze solutions, synthetic cork, brake fluid, inks, mold release agents, and bookbinding adhesives.

 

Applications in the Textile Industry

1. In the textile dyeing process, diethylene glycol serves as a highly effective solvent, significantly enhancing dye solubility and uniformity. This facilitates better dye penetration into the fibers, resulting in more vibrant and durable coloration.

2. Beyond its role as a dye solvent, diethylene glycol also acts as a humectant during textile processing. It helps maintain fiber softness and elasticity, preventing breakage or wear caused by dryness. It is akin to a deep-conditioning treatment for textiles, ensuring they remain in optimal condition.

 

 

Handling Precautions: Use non-sparking tools to open containers. Avoid inhaling fumes or vapors and prevent contact with skin or eyes. Use only in areas with adequate ventilation to keep airborne concentrations below hazardous levels. Wear protective gloves, goggles, and protective clothing. Keep away from heat and sources of ignition. Ground and bond all containers during transfer to prevent static sparks.

 

Storage Precautions: Store in a cool, dry, well-ventilated area; warehouse temperature should not exceed 30°C. Keep away from heat, sources of ignition, and incompatible materials. Inspect stored materials regularly. Equip the storage area with appropriate fire-extinguishing equipment and materials for spill emergency response.