Isoindene

Isoindene is a flammable polycyclic hydrocarbon with chemical formula C₉H₈. It is composed of a cyclohexadiene ring fused with a cyclopentadiene ring.

Isoindene

Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name 2H-Indene
Other names 2H-Isoindene
Identifiers
CAS Number	270-53-1 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:33054 N
ChemSpider	392097 N
PubChem CID	444084
UNII	QF4FM9ZP7E Y
CompTox Dashboard (EPA)	DTXSID10332142
InChI InChI=1S/C9H8/c1-2-5-9-7-3-6-8(9)4-1/h1-2,4-7H,3H2 N Key: BQTJMKIHKULPCZ-UHFFFAOYSA-N N InChI=1/C9H8/c1-2-5-9-7-3-6-8(9)4-1/h1-2,4-7H,3H2 Key: BQTJMKIHKULPCZ-UHFFFAOYAS
SMILES C12=CCC=C1C=CC=C2
Properties
Chemical formula	C9H8
Molar mass	116.163 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

See also

• Indene
• Isoindole
• Isoindenone