P5413
Poli(etilenglicole)
for molecular biology, average mol wt 8,000
Sinonimo/i:
PEG
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About This Item
Formula condensata:
H(OCH2CH2)nOH
Numero CAS:
Numero MDL:
Codice UNSPSC:
12352104
ID PubChem:
NACRES:
NA.31
Prodotti consigliati
Grado
for molecular biology
Livello qualitativo
Forma fisica
powder
PM
average mol wt 8,000
Solubilità
water: soluble (approximately 630 mg/ml, 20 °C)
Densità
1.0845 g/mL at 70 °C
1.0689 g/mL at 90 °C
Attività estranea
DNase, RNase and NICKase, none detected
Stringa SMILE
C(CO)O
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
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Descrizione generale
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.
Applicazioni
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
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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