Masika, Bradai et al. published their research in Pharma Chemica in 2016 | CAS: 109-17-1

((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.SDS of cas: 109-17-1

Hydrogel of poly (SSNa-cross-TeEGDMA): preparation, characterization, and swelling behavior was written by Masika, Bradai;Houari, Sebti;Seghier, Ould Kada;Zohra, Sebba Fatima. And the article was included in Pharma Chemica in 2016.SDS of cas: 109-17-1 This article mentions the following:

Series of novel hydrogels based on sodium styrene sulfonate(SSNa) and tetraethylene glycol dimethacrylate (TeEGDMA) copolymers, were prepared by free radical crosslinking copolymerization and were characterized using Spectra of Fourier transform IR spectroscopy (FTIR), and differential scanning calorimetry (DSC).The swelling properties of these hydrogels were achieved in distilled water at different pH at 25°C, the results showed that the swelling ratio are proportional to the sodium styrene sulfonate(SSNa) percent molar composition of 40, 50 and 80 incorporated in each hydrogel, The values swelling ratio of the basic medium are higher than those observed in acidic and neutral medium. In the experiment, the researchers used many compounds, for example, ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1SDS of cas: 109-17-1).

((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.SDS of cas: 109-17-1

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts