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Sigma-Aldrich

Trimethylolpropane ethoxylate

average Mn ~450

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Synonym(s):
3 arm PEG, 3 arm PEO, Poly(ethylene oxide), 3-arm, hydroxy terminated, Polyethylene glycol trimethylolpropane ether, Polyethylene glycol trimethylolpropane triether, Trimethylolpropane ethoxylate (20/3 EO/OH), Trimethylolpropane ethoxylate (4.6 EO/OH), Trimethylolpropane ethoxylate (4/15 EO/OH)
Linear Formula:
(C2H4O)n(C2H4O)n(C2H4O)nC6H14O
CAS Number:
MDL number:
UNSPSC Code:
12162002

mol wt

average Mn ~450

refractive index

n20/D 1.472

density

1.114 g/mL at 25 °C

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Application

Trimethylolpropane ethoxylate (TMPE) can be dissolved with lithium trifluoromethanesulfonate (LiCF3SO3) to form an electrolyte. These electrolytes can act as charge transferring mediums for light emitting electrochemical cells and devices.

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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White light from a single-emitter light-emitting electrochemical cell
Tang S, et al.
Journal of the American Chemical Society, 135(9), 3647-3652 (2013)
Quest for an appropriate electrolyte for high-performance light-emitting electrochemical cells
Tang S and Edman L
The Journal of Physical Chemistry Letters, 1(18), 2727-2732 (2010)
Small-molecule light-emitting electrochemical cells: evidence for in situ electrochemical doping and functional operation
Tang S, et al.
Chemical Communications (Cambridge, England), 49(43), 4926-4928 (2013)
Identifying key properties of electrolytes for light-emitting electrochemical cells
Tang S, et al.
Chemistry of Materials, 26(17), 5083-5088 (2014)

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