Diethylene Glycol

Diethylene Glycol (DEG) is an important organic compound, featuring strong hygroscopicity, a high boiling point (245℃), and excellent solvent performance. It is mainly applied in the industrial field and chemical manufacturing.

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Product Description

Polykem supplies high-purity diethylene glycol (DEG) with a purity of ≥99.5% and an acid value of ≤0.1mg KOH/g, which complies with the USP/EP industrial standard. The product adopts the ethylene oxide hydration process and has passed the ISO 9001 certification. It is available in specifications of natural gas dehydration grade (dew point drop -20℃) and polyester grade (low metal impurities). Support IBC ton containers /200kg drums and technical consultation.

Product Parameter

CAS No. 111-46-6

Chemical Formula	C4H10O3
Density	1.118g/mLat 25°C(lit.)
Melting point	−10°C(lit.)
Boiling point	245°C(lit.)
Flash point	143 °C
Steam pressure	0.01 mm Hg (20 °C)
Vapor density	2.14 (vs air)
Refractive index	n20/D 1.447(lit.)
Acidity coefficient	14.03±0.10(Predicted)
PH	5.5-7.0 (25℃, 50mg/mL in H2O)

Product Feature and Application

Diethylene glycol (DEG), as an important polyol compound, is widely used in the following fields due to its high water absorption, low toxicity and excellent solvent performance:

Polyester resin and plastic industry, as a reactive diluent (with an addition amount of 5-15%), reduces resin viscosity and enhances the wettability of glass fibers.

Natural gas dehydration and gas treatment

Paint/ink solvents and additives

Diethylene Glycol

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