9,9'-Dixanthylidene
[CAS# 517-45-3]

Identification

• Name: 9,9'-Dixanthylidene
• Synonyms: 9-(9-Xanthenylidene)Xanthene; Dixanthylidene; Nsc15906
• Molecular Formula: C₂₆H₁₆O₂
• Molecular Weight: 360.41
• CAS Registry Number: 517-45-3
• EINECS: 208-241-5
• SMILES: C1=CC=CC5=C1C(=C2C4=C(OC3=C2C=CC=C3)C=CC=C4)C6=C(O5)C=CC=C6
• InChI: 1S/C26H16O2/c1-5-13-21-17(9-1)25(18-10-2-6-14-22(18)27-21)26-19-11-3-7-15-23(19)28-24-16-8-4-12-20(24)26/h1-16H
• InChIKey: SXXWAWNPJCEOGD-UHFFFAOYSA-N

Properties

• Density: 1.3±0.1g/cm³ (Cal.)
• Melting point: 318-320°C (Expl.)
• Boiling point: 494.2±45.0°C at 760 mmHg (Cal.)
• Flash point: 188.4±28.3°C (Cal.)

Safety Data

• Safety Description: CAUTION: May irritate eyes, skin, and respiratory tract

References

• (1): Mao Mao, Qing-Qing Wu, Ming-Guang Ren and Qin-Hua Song. Highly efficient and regiospecific photocyclization of 2,2′-diacyl bixanthenylidenes, Org. Biomol. Chem., 2011, 9, 3165.