P5413
Poly(ethylene glycol)
for molecular biology, average mol wt 8,000
Synonym(s):
Poly (ethylene oxide), Polyethylene glycol, PEG
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About This Item
Linear Formula:
H(OCH2CH2)nOH
CAS Number:
MDL number:
UNSPSC Code:
12352104
PubChem Substance ID:
NACRES:
NA.31
Recommended Products
grade
for molecular biology
Quality Level
form
powder
mol wt
average mol wt 8,000
solubility
water: soluble (approximately 630 mg/ml, 20 °C)
density
1.0845 g/mL at 70 °C
1.0689 g/mL at 90 °C
foreign activity
DNase, RNase and NICKase, none detected
SMILES string
C(CO)O
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
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General description
Polyethylene glycol (PEG) is a polymer of ethylene oxide and water, obtained upon condensation. PEGs 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.
Polyethylene glycol (PEG) is used in detergents, emulsifying agents, soaps, metal costing process, pharmaceutical preparations and cosmetics. PEG is commonly used as a lubricant. It′s application is also observed in chromatographic stationary phases. PEG prevents crystal formation in emulsions.
Application
Poly(ethylene glycol) has been used:
- in protoplast suspension
- to prevent phase separation in emulsion
- in phage tail-like particles precipitation
- for purifying and intensifying products of polymerase chain reaction
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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