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vinyl
A vinyl compoun is any organic compound that contains a vinyl group (also called ethenyl), −CH=CH2. These are derivatives of ethylene, CH2=CH2, with one hydrogen atom substituted with some other group.
Trivia about vinyl
For the record, it's what old phonograph records are made of
The "V" in PVC, it's energy-efficient because it's made more of salt than petroleum
The name of this resin is used to describe records, to differentiate them from CDs
...this material, what old phonograph records are made of