Vinyl norbornene (VNB) is an
organic compound
Some chemical authorities define an organic compound as a chemical compound that contains a carbon–hydrogen or carbon–carbon bond; others consider an organic compound to be any chemical compound that contains carbon. For example, carbon-co ...
that consists of a
vinyl group attached to
norbornene. It is a colorless liquid. The compound exists as
''endo'' and ''exo'' isomers, but these are not typically separated. It is an intermediate in the production of the commercial polymer
EPDM
EPDM rubber (ethylene propylene diene monomer rubber) is a type of synthetic rubber that is used in many applications.
EPDM is an M-Class rubber under ASTM standard D-1418; the ''M'' class comprises elastomers with a saturated and unsaturated co ...
. It is prepared by the
Diels–Alder reaction of
butadiene and
cyclopentadiene.
Safety
is 0.10–0.05 mg/kg (intravenous, female rabbit). It is also a neurotoxin.
References
{{Reflist
Cyclopentenes