Azulene (275-51-4)

Identification
Name:	Azulene
Synonyms:	Bicyclo[5.3.0]decapentaene;Cyclopentacycloheptene; NSC 89248
CAS:	275-51-4
EINECS:	205-993-6
Molecular Formula:	C10H8
Molecular Weight:	128.17
InChI:	InChI=1/C10H8/c1-2-5-9-7-4-8-10(9)6-3-1/h1-8H
Molecular Structure:
Properties
Transport:	OTH
Density:	1.037g/cm³
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents.
Refractive index:	1.632
Water Solubility:	Insoluble
Solubility:	Insoluble
Appearance:	dark blue to purple crystalline powder
Specification:	Azulene ,its cas register number is 275-51-4.It is an organic compound and a isomer of naphthalene; and also can be called Azulekeep ; Cyclopentacycloheptene ; Azulene derivative and Bicyclo[0.3.5]deca-1,3,5,7,9-pentaene .It is usually viewed as resulting from fusion of cyclopentadiene and cycloheptatriene rings.The stability gain from aromaticity is estimated to be half that of naphthalene.It exhibits aromatic properties: (i) the peripheral bonds have similar lengths and (ii) it undergoes Friedel-Crafts-like substitutions. In addition, Azulene (CAS NO.275-51-4) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, and you must not take it with strong oxidants and incompatible materials.And also prevent it to broken down into hazardous decomposition products: irritating and toxic fumes and gases, carbon monoxide, carbon dioxide.
Report:	Reported in EPA TSCA Inventory.
Safety Data
Hazard Symbols