Polyethylene Glycol, (C2nH4n+2On+1), is synthesized by ring-opening polymerization of ethylene oxide. This synthesis process gives PEG a range of molecular weights and distributions from 300 grams per mole to 10,000,000 grams per mole.
PEG 3350 has a molecular weight of 3350 and is shipped in granular form. It can be hydrated to be a clear, colorless, viscous liquid. Polyethylene Glycol is colorless, inert, odorless, and non-volatile. PEG is biocompatible (it won’t damage tissues or cells), hydrophilic, dissolves readily in water without changing the color odor or taste and is nontoxic. PEG is appropriate for the indirect use for food, drugs, or medical uses due to its purity level and certified from the United States Pharmacopeia (USP). It is the responsibility of the user to understand and adhere to current FDA regulations, as well as any other applicable regulations, regarding PEG 3350.
PEG 3350 is used in pharmaceuticals largely in laxatives because of its properties it causes water to be retained in stool
PEG 3350 is used in cosmetics as a stabilizer and leaves a nice feel on the skin
PEG 3350 is compatible with these ingredients also found in personal care products and cetyl alcohol, glycerol, stearic acid, polyvinyl pyrrolidone, casein, vegetable albumin
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Product Information
More Information
CAS
25322-68-3
Assay
97.0 - 103.0 %
Grade
USP Grade
Color
White
Physical form
Solid
Appearance
White Granular Solid
Odor
Mild
pH
4.5 - 7.5, 25 °C 5% solution
Melting point
53 - 57 °C / 127 - 135 °F
Boiling Point
> 200 °C / > 392 °F
Vapor pressure
< 0.01 mmHg at 20 °C / 68 °F
Density
1.111 at 60 °C / 140 °F
Solubility
67 % at 20 °C / 68 °F
Molecular formula
C2nH4n+2On+1
Molecular weight
3015 - 3685
Acetic Acid
<5000 ppm
Aldehydes
Max 200 ppm
Autoship Available
Yes
Clarity of Solution
Pass
Diethylene Glycol
Max 300 ppm
Flash Point
246 °C / 475 °F
Formaldehyde
<15 ppm
Hydroxyl Value
30 - 38
KosherID
HKJ-GMXR
Oxide
Max 1 ppm (Ethylene Oxide)
Reducing Substances
Pass
Titrabale acid
<0.1mL of 0.1M
NaOH
Vapor density
> 10
Viscosity
83 - 120 mPa.s at 20 °C 50% solution
Water
Max 1.0 %
Reviews
Safety and Shipping
This chemical is not considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200)
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