Polyethylene glycol is a polymer with the chemical formula HO (CH2CH2O)nH, non-irritating, slightly bitter taste, good water solubility, and good compatibility with many organic components. It has excellent lubricity, moisturizing, dispersion, adhesion, can be used as an antistatic agent and softener, and has a wide range of applications in cosmetics, pharmaceuticals, chemical fiber, rubber, plastics, papermaking, paint, electroplating, pesticides, metal processing and food processing industries.
Poly(ethylene glycol) PEG
Picture show:
Model
|
Appearance
|
Coloiity Pt-Co
|
Hydroxyl value mg KOH/g
|
Molecular weight
|
Ice point
|
Water content %
|
PH value (1% water solution)
|
PEG-200
|
Colorless transparent liquid
|
<20
|
510-623
|
180-220
|
-
|
<1.0
|
5.0-7.0
|
PEG-300
|
Colorless transparent liquid
|
<20
|
340-416
|
270-330
|
-
|
<1.0
|
5.0-7.0
|
PEG400
|
Colorless transparent liquid
|
<20
|
255-312
|
360-440
|
4-10
|
<1.0
|
5.0-7.0
|
PEG-600
|
Colorless transparent liquid
|
<20
|
170-208
|
540-660
|
20-25
|
<1.0
|
5.0-7.0
|
PEG-800
|
Milky white cream
|
<30
|
127-156
|
720-880
|
26-32
|
<1.0
|
5.0-7.0
|
PEG-1000
|
Milky white solid
|
<40
|
102-125
|
900-1100
|
38-41
|
<1.0
|
5.0-7.0
|
PEG-1500
|
Milky white solid
|
<40
|
68-83
|
1350-1650
|
43-46
|
<1.0
|
5.0-7.0
|
PEG-2000
|
Milky white solid
|
<50
|
51-63
|
1800-2200
|
48-50
|
<1.0
|
5.0-7.0
|
PEG-3000
|
Milky white solid
|
<50
|
34-42
|
2700-3300
|
51-53
|
<1.0
|
5.0-7.0
|
PEG4000
|
Milky white solid
|
<50
|
26-32
|
3600-4400
|
53-54
|
<1.0
|
5.0-7.0
|
PEG-6000
|
Milky white solid
|
<50
|
17.5-20
|
5500-7000
|
54-60
|
<1.0
|
5.0-7.0
|
PEG-8000
|
Milky white solid
|
<50
|
12-16
|
7200-8800
|
55-63
|
<1.0
|
5.0-7.0
|
PEG-10000
|
Milky white solid
|
<50
|
9.4-12.5
|
9000-120000
|
55-63
|
<1.0
|
5.0-7.0
|
PEG-20000
|
Milky white solid
|
<50
|
5-6.5
|
18000-22000
|
55-63
|
<1.0
|
5.0-7.0
|