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Azulene

IUPAC: azulene

C10H8 Organic Compounds CAS 275-51-4
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Quick Reference
Formula / NotationC10H8
CAS Number275-51-4
Molecular Weight128.17
Also Known As275-51-4; Cyclopentacycloheptene; Azunamic; Bicyclo[5.3.0]decapentaene; azulen; Bicyclo(5.3.0)decapentaene; 82R6M9MGLP; Bicyclo(5.3.0)-1,3,5,7,9-decapentaene; Bicyclo(5.3.0)-deca-2,4,6,8,10-pentaene; NSC-89248
CategoryOrganic Compounds

What is Azulene?

Azulene is a mancude carbobicyclic parent consisting of a cycloheptatriene and cyclopentadiene rings. It has a role as a volatile oil component and a plant metabolite. It is an ortho-fused bicyclic arene, a member of azulenes and a mancude carbobicyclic parent.

Formula & Notation

C10H8

IUPAC Name: azulene

Other Names / Synonyms: 275-51-4; Cyclopentacycloheptene; Azunamic; Bicyclo[5.3.0]decapentaene; azulen; Bicyclo(5.3.0)decapentaene; 82R6M9MGLP; Bicyclo(5.3.0)-1,3,5,7,9-decapentaene; Bicyclo(5.3.0)-deca-2,4,6,8,10-pentaene; NSC-89248

Properties & Characteristics

Molecular formula: C10H8. Molecular weight: 128.17 g/mol. LogP: 3.2.

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Azulene
Formula C10H8
CAS Number 275-51-4
Molecular Weight 128.17
Synonyms 275-51-4; Cyclopentacycloheptene; Azunamic; Bicyclo[5.3.0]decapentaene; azulen; Bicyclo(5.3.0)decapentaene; 82R6M9MGLP; Bicyclo(5.3.0)-1,3,5,7,9-decapentaene; Bicyclo(5.3.0)-deca-2,4,6,8,10-pentaene; NSC-89248

Frequently Asked Questions

Azulene is a mancude carbobicyclic parent consisting of a cycloheptatriene and cyclopentadiene rings. It has a role as a volatile oil component and a plant metabolite. It is an ortho-fused bicyclic arene, a member of azulenes and a mancude carbobicyclic parent.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.