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 400 has a molecular weight of 400 and is 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. Due to the high purity of Polyethylene Glycol 400, it is certified by the United States Pharmacopeia (USP) grade and the Food Chemicals Codex (FCC) grade.
PEG 400 is used in personal care products that need to remain viscous
PEG 400 is used as a food additive and to preserve moisture
PEG 400 is used to readily dissolve hydrophobic drugs
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Product Information
More Information
CAS
25322-68-3
Grade
FCC Grade
Color
Passes Test
Physical form
Liquid
Appearance
Clear Liquid
Odor
Slight
pH
4.5-7.5 (5% solution)
Melting point
8°C (46.4°F)
Density
1.128 g/mL at 25 °C (77 °F)
Solubility
Fully Miscible in Water
Molecular formula
C2nH4n+2On+1
Molecular weight
380 - 420
Autoship Available
Yes
Clarity of Solution
Pass
Diethylene Glycol
0.25 max
Evaporation rate
0.01 (Butyl Acetate = 1.0)
Flash Point
176 °C (348.8 °F)
Heavy metals
Max 5ppm
Viscosity
6.8 - 8.0cst, at 98.9±0.3°C
Water
Max 0.500%
Reviews
Safety and Shipping
GRAS Reference Citation 21 CFR 172.820.
Warnings, Safety And Hazards: Inhalation of vapor is not hazardous. Ingestion causes stupor or coma, sometimes leading to fatal kidney injury. This chemical is combustible.
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