Does the silicone oil on the disposable syringe contain a phenyl group?
Silicone oil... Emulsified silicone oil. Used in soap-based body wash. DC-344. Ring polydimethylsiloxane. The structure formula without phenyl group is as follows: in the formula, R is alkyl, aryl, R' is alkyl, aryl, hydrogen, carbon functional group and polyether chain, etc. X is alkyl, aryl, vinyl, hydrogen, hydroxy, alkoxy, Acetoxy group, chlorine V, carbon functional group, polyether chain, etc. .
The more information of phenyl silicone oil, you can check:
https://www.112seo.com/productcategory-phenyl-silicone-oils.html 
