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445886

Sigma-Aldrich

Poly(ethylene glycol) dimethyl ether

average MN 500, cross-linking reagent click chemistry, 100 ppm BHT as stabilizer

Synonym(s):

Polyethylene glycol, Dimethyl polyethylene glycol

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About This Item

Linear Formula:
CH3O(CH2CH2O)nCH3
CAS Number:
24991-55-7
MDL number:
MFCD00147972
UNSPSC Code:
12162002
PubChem Substance ID:
24868207
NACRES:
NA.23
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Product Name

Poly(ethylene glycol) dimethyl ether, average Mn ~500, contains 100 ppm BHT as stabilizer

form

liquid

mol wt

average Mn ~500

contains

100 ppm BHT as stabilizer

reaction suitability

reagent type: cross-linking reagent
reaction type: click chemistry

bp

>250 °C

density

1.05 g/mL at 25 °C

polymer architecture

shape: linear
functionality: homobifunctional

SMILES string

CO.OCCO

InChI

1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3

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Show Differences

1 of 4

This Item
GF54847255GF41005718GF59528043
Niobium powder, <45 μm, 99.8% trace metals basis

262722

Niobium

Niobium powder, max. particle size 74 micron, weight 50 g, purity 99.85%

GF54847255

Niobium

Niobium powder, max. particle size 74 micron, weight 200 g, purity 99.85%

GF41005718

Niobium

Niobium powder, 74 max. part. size (micron), weight 100 g, purity 99.85%

GF59528043

Niobium

form

powder

form

powder

form

powder

form

powder

density

8.57 g/mL at 25 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

resistivity

13-16 μΩ-cm, 20°C

resistivity

13-16 μΩ-cm, 20°C

resistivity

13-16 μΩ-cm, 20°C

resistivity

13-16 μΩ-cm, 20°C

bp

4742 °C (lit.)

bp

4742 °C (lit.)

bp

4742 °C (lit.)

bp

4742 °C (lit.)

mp

2468 °C (lit.)

mp

2468 °C (lit.)

mp

2468 °C (lit.)

mp

2468 °C (lit.)

Application

  • Mechanically and Thermally Robust Gel Electrolytes Built from A Charged Double Helical Polymer.: This research describes the development of gel electrolytes incorporating Poly(ethylene glycol) dimethyl ether (PEGDME), highlighting their enhanced mechanical and thermal stability, which are crucial for high-performance energy storage applications (Yu et al., 2024).
  • An environmentally benign protocol for the synthesis of sugar 1,2-orthoesters in poly(ethylene glycol) dimethyl ether (DMPE).: This study presents a green synthesis approach using PEGDME as a reaction medium for producing sugar orthoesters, demonstrating its role in sustainable chemical processes within the pharmaceutical industry (Yang et al., 2023).
  • Room-Temperature Solid-State Polymer Electrolyte in Li-LiFePO(4) , Li-S and Li-O(2) Batteries.: This article details the use of PEGDME-based polymer electrolytes in various lithium battery configurations, emphasizing its effectiveness in enhancing battery safety and performance (Marangon et al., 2023).
  • Safety, high-performing and effects of the N/P ratio of a solid lithium ion battery using PEGDME based polymer electrolytes.: Discusses the implementation of PEGDME in solid lithium-ion batteries, focusing on its role in achieving high performance and safety, critical for the advancement of energy storage technologies (Jeon et al., 2023).

Analysis Note

Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

312.8 °F - closed cup

Flash Point(C)

156.00 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves
  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    BCCM8446
    BCCL5083
    BCCH2871
    BCCG0636
    BCCD3793

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    Yimu Zhao et al.
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