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Polyethylene Glycol (PEG)

Polyethylene Glycol (PEG)

CAS NO:25322-68-3

Product Name: Polyethylene Glycol (PEG)

CAS NO.: 25322-68-3

Detailed Introduction

Product Name: Polyethylene Glycol (PEG)

CAS NO.: 25322-68-3

Structural Formula : HOC2H4(OC2H4)nOH

Specification：

Property

PEG400

 PEG2000 PEG4000 PEG6000

Appearance (25℃)

Colorless transparent liquid

 White waxy solid White solid granules powder White solid granules powder

Relative Density

1.110-1.140

 - - -

Freezing Point (℃)

-

 41-46 50-54 53-58

Average Molecular Weight

380-420

 1800-2200 3400-4200 5400-7800

Viscosity at 40℃(mm2/s)

37-45

 3.0-4.0 5.5-9.0 10.5-16.5
pH (5% aqueous solution) 4.0-7.0 4.0-7.0 4.0-7.0 4.0-7.0
Clarity and Color of Solution Not turbid; not darker than 2# standard solution Not turbid; not darker than 2# standard solution Not turbid; not darker than 2# standard solution Not turbid; not darker than 2# standard solution
Ethylene Glycol & Diethylene Glycol (GC, g/g) ≤ 0.25 - - -
Residue on Ignition (%) ≤ 0.2 0.2 0.2 0.2
Arsenic (ppm) ≤ 3 - - -
Heavy Metals (ppm) ≤ 5 - - -

 

Applications: Polyethylene glycol is a high molecular weight polymer characterized by its non-irritating nature and slightly bitter taste. It exhibits excellent water solubility and is compatible with a wide range of organic compounds. Thanks to its outstanding lubricating, moisturizing, dispersing, and adhesive properties, PEG can be used as an antistatic agent and softener. It finds extensive applications in industries such as cosmetics, pharmaceuticals, chemical fibers, rubber, plastics, paper-making, paints, electroplating, pesticides, metal processing, and food processing.