P3265

Poly(ethylene glycol)

average M_N 400

• Synonym(s): Polyethylene glycol, PEG
• Linear Formula: H(OCH₂CH₂)_nOH
• CAS Number: 25322-68-3
• MDL number: MFCD00081839
• UNSPSC Code: 12352104
• PubChem Substance ID: 24897878
• NACRES: NA.23

Properties

• product name: Poly(ethylene glycol), average mol wt 400
• form: liquid
• mol wt: average mol wt 400
• refractive index: n/D 1.465 (20 °C)
• viscosity: 7.3 cSt (210 °F)
• mp: 4-8 °C
• solubility: water: 100 mg/mL
• density: 1.1254 g/cm³ at 20 °C; 1.0930 g/cm³ at 60 °C
• SMILES string: C(CO)O
• InChI: 1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
• InChI key: LYCAIKOWRPUZTN-UHFFFAOYSA-N

Description

General description

Poly(ethylene glycol) (PEG) is an oligomer of ethylene oxide that is majorly used as a synthetic polymer for its unique properties which include low cost, biocompatibility, and hydrophilicity. It can be used in the production of biomedical hydrogels.

Application

PEG has a variety of biomedical applications, applications in energy storage and drug delivery.

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves