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General information

  • Name: ACRSA
  • Full name: 10-Phenyl-10H,10′H-spiro[acridine-9,9′-anthracen]-10′-one
  • CAS number: 1206626-95-0
  • Chemical formula: C32H21NO
  • Molecular weight: 435.52 g/mol
  • Absorption: λmax = 430 nm
  • Photoluminescence: λmax = 490 nm
  • Synonyms: -
  • Classification: Organic light-emitting diodes, Light-emitting diodes, Emmiting layer materials (EML), Blue fluorescent dopant materials, TADF materials
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: TGA: 290 °C
  • Appearance: Off-white powder/crystals

ACRSA: High-Purity Blue Fluorescent Emitter for Advanced OLEDs

At Noctiluca, we proudly offer ACRSA >99.0%, a crucial material for the advancement of OLED (organic light-emitting diode) technology. Formally known as 10-Phenyl-10H,10′H-spiro[acridine-9,9′-anthracen]-10′-one, this compound, identified by CAS number 1206626-95-0 and molecular formula C32H21NO, is engineered to meet the highest standards of research and industrial application. With a superior purity of >99.0% (HPLC), ACRSA ensures optimal performance in advanced OLED applications. Our commitment to quality guarantees that ACRSA supports unparalleled efficiency and durability in OLED devices, making it indispensable for modern electronic advancements.

The Molecular Structure and Properties of ACRSA

ACRSA stands out for its unique photophysical properties. This off-white powder compound exhibits absorption maxima at λmax = 430 nm and photoluminescence at λmax = 490 nm, making it a one of the key blue fluorescent dopant materials. The molecular structure, featuring a spiro configuration with acridine and anthracene moieties, provides excellent thermal stability with a melting point of 290 °C (TGA). Its properly designed donor-acceptor structure makes it exhibit thermally activated delayed fluorescence (TADF), necessary for the latest generations of OLEDs so that it can act as an emitter in EML. These properties make ACRSA ideal for creating highly efficient and stable OLEDs.

Key Features of ACRSA

  • High Purity and Quality: Our ACRSA boasts a purity level of >99.0% as verified by HPLC, achieved through meticulous sublimation. This high level of purity ensures the material’s consistency and reliability, forming the foundation of high-quality OLED applications. The compound’s exceptional purity is crucial for the development of high-performance emissive layers.
  • Specialized for OLED Applications: ACRSA excels as a blue fluorescent dopant, significantly enhancing the efficiency and performance of OLED devices. Its integration into emissive layer (EML) materials results in displays with brilliant, vibrant colors and exceptional longevity. This adaptability drives substantial advancements in OLED technology, making it a preferred choice for developers aiming to push the boundaries of display technology.
  • Exceptional Photophysical Properties: With absorption maxima at λmax = 430 nm and strong photoluminescence at λmax = 490 nm, ACRSA light-blue emission for application in OLEDs. ACRSA exhibits high photoluminescence quantum efficiency (81%) and efficient thermally activated delayed fluorescence (TADF) due to a small ΔEST (0.03 – 0.04 eV), achieving a high external quantum efficiency (16.5%) in OLEDs. Its performance is further enhanced by compatibility with high triplet energy
  • High Thermal Stability: ACRSA is engineered to withstand high temperatures, with a melting point of 290 °C (TGA), ensuring its suitability for a wide range of operational conditions. This thermal stability enhances the durability and reliability of OLED panels, making ACRSA an essential material for long-lasting display technologies.
  • Versatility in Device Fabrication: ACRSA’s excellent solubility and processability make it highly suitable for various OLED fabrication techniques. Its versatility ensures that ACRSA can be effectively utilized in a variety of manufacturing processes, enhancing its applicability across different OLED production methods.

The Role of ACRSA in Advanced OLEDs

ACRSA >99.0%, chemically known as C32H21NO, is essential for advancing OLED technology. By facilitating the formation of efficient emissive layers, this compound significantly improves the light emission and overall performance of OLED devices. The integration of ACRSA in EML formulations is crucial for achieving superior energy conversion efficiencies, vital for developing next-generation display technologies. Additionally, its use as a blue fluorescent dopant material enhances the stability and durability of OLED products, making it indispensable for developers seeking to optimize OLED technology. ACRSA’s unique properties support a broad spectrum of applications, driving innovation in the optoelectronics industry and contributing to the development of high-tech solutions.


ACRSA >99.0% exemplifies Noctiluca’s commitment to providing top-tier chemical materials, underscoring our dedication to advancing material science for sustainable and efficient OLED applications. As a leading OLED materials supplier and contract research organization (CRO), we are committed to supplying our clients with superior-grade materials that drive technological and innovative progress.

Contact us today to discover how our high-purity ACRSA can meet your scientific and industrial needs, ensuring your projects benefit from the highest standards of quality and performance, or to inquire about bulk orders of this compound.

Any questions? Contact us!