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189456

Sigma-Aldrich

Poli(etilene ossido)

average MV 900,000 (nominal), powder, hydroxyl, BHT as inhibitor

Sinonimo/i:

PEO

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About This Item

Formula condensata:
(-CH2CH2O-)n
Numero CAS:
25322-68-3
Numero MDL:
MFCD00081839
Codice UNSPSC:
12352104
ID PubChem:
24851381
NACRES:
NA.23

product name

Poli(etilene ossido), average Mv ~900,000 (nominal), powder

Forma fisica

powder

PM

average Mv ~900,000 (nominal)

contiene

200-500 ppm BHT as inhibitor

Viscosità

8,800-17,600 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

Temp. transizione

Tm 65 °C

Densità

1.21 g/mL at 25 °C

Gruppo funzionale

hydroxyl

Stringa SMILE

[H]OCCO

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Poly(ethylene oxide) is a synthetic hydrophilicpolymer available in a number of molecular weights. It can be obtained by thering-opening polymerization of ethylene oxide. This biocompatible polymer can be widely used in the field of biomedical research,tissue engineering and surface functionalization.

Applicazioni

PEO can be used to prepare polymer electrolyte systems for energy storage and conversion devices due its low glass transition temperature and ability to form complex with many alkaline salts.

Owing to its hydration and swelling properties, it is widely used as a precursor to prepare block copolymer micelles for selective drug and gene delivery.

Itcan also be used to fabricate nanofibrous membranes for the adsorption of heavymetal ions.

Caratteristiche e vantaggi

  • Excellent polymer chain flexibility
  • Low toxicity
  • High solvation power
  • Lowglass transition temperature

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)

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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