517-45-3

Basic information

• Product Name: 9,9'-DIXANTHYLIDENE
• Synonyms: 9,9'-DIXANTHYLIDENE;9,9'-BIS[XANTHENYLIDEN];9,9-bixanthenylidene;9-(9H-xanthen-9-ylidene)-9H-xanthene;Dixanthylene (Luminore asur 458 T);Bixanthylidene;Dixanthylene;Dixanthylidene
• CAS NO: 517-45-3
• Molecular Formula: C₂₆H₁₆O₂
• Molecular Weight: 360.4
• EINECS: 208-241-5
• Mol File: 517-45-3.mol
• Article Data: 7

Chemical Properties

• Melting Point: 318-320°C
• Boiling Point: 494.2 °C at 760 mmHg
• Flash Point: 188.4 °C
• Appearance: /
• Density: 1.3 g/cm³
• CAS DataBase Reference: 9,9'-DIXANTHYLIDENE(CAS DataBase Reference)
• NIST Chemistry Reference: 9,9'-DIXANTHYLIDENE(517-45-3)
• EPA Substance Registry System: 9,9'-DIXANTHYLIDENE(517-45-3)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37
• Hazardous Substances Data: 517-45-3(Hazardous Substances Data)

Usage

General Description

9,9'-DIXANTHYLIDENE, also known as 9,9'-bianthryl, is a chemical compound with the molecular formula C28H18. It is a polycyclic aromatic hydrocarbon with two anthryl groups connected by a carbon-carbon double bond. 9,9'-DIXANTHYLIDENE is a yellow crystalline solid with high thermal stability and is used as a fluorescent probe in various biochemical and analytical studies, as well as in organic light-emitting diodes (OLEDs) and organic photovoltaic devices. 9,9'-DIXANTHYLIDENE exhibits strong fluorescence and has been studied for its potential applications in optoelectronic materials and devices due to its unique molecular structure and electronic properties. However, it should be handled with care as it may be harmful if swallowed, inhaled, or in contact with skin.

Upstream product

• 60-29-7 diethyl ether 
• 71-43-2 benzene 
• 90-47-1 xanth-9-one 
• 51933-61-0 9-diazo-9H-xanthene 
• 6272-59-9 9,9'-bixanthydrol 
• 75-36-5 acetyl chloride 
• 4132-55-2 (9H-xanthen-9-ylidene)hydrazine 
• 92-83-1 xanthene 
• 119-61-9 benzophenone 
• 64-17-5 ethanol 
• 7647-01-0 hydrogenchloride 
• 64-19-7 acetic acid 
• 56-23-5 tetrachloromethane 
• 492-21-7 9H-xanthene-9-thione 

Downstream Products

• 90-47-1 xanth-9-one 
• 492-21-7 9H-xanthene-9-thione 

Relevant articles and documents

Locking the phenyl rings of tetraphenylethene step by step: Understanding the mechanism of aggregation-induced emission

Stepwise locking of phenyl rings of tetraphenylethene increases the emission efficiency of luminogen solutions gradually, thus verifying the restriction of intramolecular rotation (RIR) mechanism of the aggregation induced emission phenomenon. The emissio

Bimolecular formation of radicals by hydrogen transfer, 12: Transfer hydrogenation of p-substituted α-methylstyrenes and of 9-methylenefluorene as a criterion of mechanism

The uncatalyzed transfer hydrogenation of substituted α-methylstyrenes with 9,10-dihydroanthracene (DHA), xanthene (XAN), or 9,10-dihydroacridine (DHAC) was studied mechanistically. The three hydrogen donors react at very similar rates and with similar activation parameters and with little discrimination between the various substituted styrenes. The kinetic isotope effects are also similar and the solvent effect is small. A hydrogen atom transfer mechanism (retrodisproportionation) is, therefore, preferred to a hydride transfer mechanism. This is supported by the very similar reactivity of the hydrogen transfer reaction of DHA and XAN with 9-methylenefluorene. The product yields in all reactions investigated in this project were >90%. VCH Verlagsgesellschaft mbH, 1997.