445886

Poly(ethylene glycol) dimethyl ether

average M_n ~500, contains 100 ppm BHT as stabilizer

• Synonym(s): Polyethylene glycol, Dimethyl polyethylene glycol
• Linear Formula: CH₃O(CH₂CH₂O)_nCH₃
• CAS Number: 24991-55-7
• MDL number: MFCD00147972
• UNSPSC Code: 12162002
• PubChem Substance ID: 24868207
• NACRES: NA.23

Properties

• form: liquid
• Quality Level: 200
• mol wt: average M_n ~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
• InChI key: XTHFKEDIFFGKHM-UHFFFAOYSA-N

Description

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.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 312.8 °F - closed cup
• flash_point_c: 156.00 °C - closed cup
• ppe: Eyeshields, Gloves