Polyethylene glycol 8,000, prills_white Molecular_Biology

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76177-402EA 83.16 USD
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Polyethylene glycol 8,000, prills_white Molecular_Biology
Polyethylene glycol 8,000

Polyethylene glycol (PEG) is a condensation polymer of ethylene oxide and water.
Polyethylene Glycol has been used in the precipitation of proteins, as a fusing agent in enhancing the effect of macrophages on hybridoma, in the separation and purification of biomolecules and in induction of cell hybridization.
PEG's are susceptible to oxidative degradation in the presence of air. Minimizing the exposure of PEG to elevated temperatures and/or exposure to oxygen, or addition of an antioxidant can limit the amount of degradation. PEGs do not hydrolyze or deteriorate upon storage. PEGs do not support the growth of molds.


  • Molecular Biology Reagent Grade
  • Presentation: White Prills
  • Vapor Density: >1 (vs air) (Lit.)
  • Vapor Pressure: <0.01 mmHg at 20 °C (Lit.)
  • Average value of n = 181.4
  • Soluble in water (approximately 630 mg/mL, 20 °C). PEGs are also soluble in many polar solvents such as acetone, alcohols and chlorinated solvents. They are insoluble in nonpolar solvents such as hydrocarbons.

Formula: H(OCH₂CH₂)nOH
MW: 8000 g/mol
Boiling Pt: 250
Melting Pt: 56…66 °C
Density: 1.0845 g/mL (70 °C) (lit.)
Storage Temperature: Ambient
MDL Number: MFCD00131611
CAS Number: 8042-47-5
Merck Index: 12,07729
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Specification Test Results

Identity Test Passes
FTIR Confrorms to Standard
pH (5% aq soln) 5.0-7.0


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