[18]-Annulene
[CAS# 2040-73-5]

Identification

• Name: [18]-Annulene
• Synonyms: (18)-Annulene; (1,3,5,7,9,11,13,15,17)-Cyclooctadecanonaene; (1Z,3E,5E,7E,9Z,11Z,13E,15E,17E)-Cyclooctadeca-1,3,5,7,9,11,13,15,17-Nonaene
• Molecular Formula: C₁₈H₁₈
• Molecular Weight: 234.34
• CAS Registry Number: 2040-73-5
• SMILES: C/1=C/C=C/C=C/C=C\C=C/C=C/C=C\C=C\C=C1
• InChI: 1S/C18H18/c1-2-4-6-8-10-12-14-16-18-17-15-13-11-9-7-5-3-1/h1-18H/b2-1-,3-1?,4-2?,5-3+,6-4+,7-5?,8-6?,9-7+,10-8+,11-9?,12-10?,13-11-,14-12-,15-13?,16-14?,17-15+,18-16+,18-17?
• InChIKey: STQWAGYDANTDNA-PHECUULLSA-N

Properties

• Density: 0.874g/cm³ (Cal.)
• Boiling point: 522.257°C at 760 mmHg (Cal.)
• Flash point: 278.652°C (Cal.)

References

• (1): S�nchez-Garc�a David. Porphycenes: synthesis and derivatives, Chemical Society Reviews, 2008