445886 is Poly(ethylene glycol) dimethyl ether. Unfortunately, the viscosity is not tested as per its COA: https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/445886-BULKBCCL5083.pdf.
The viscosity has been reported by some research papers. For example, Here is the research paper that reported the dynamic viscosity is 5.8 mPa·s at 298 K.
Li, Yifu; Chemical Engineering and Processing, (2017), 121, 149-161.
445886
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:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
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
Quality Level
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
InChI key
XTHFKEDIFFGKHM-UHFFFAOYSA-N
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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
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