DMQA

• CAT Number: M440041
• CAS Number: 19205-19-7
• Molecular Formula: C22H16N2O2
• Molecular Weight: 340.40
• Purity: ≥95%
• Synonyms: N,N’-Dimethylquinacridone; N,N-Dimethylquinacridone; DMQA; 5,12-dimethylquinolino[2,3-b]acridine-7,14-dione; Quino[2,3-b]acridine-7,14-dione, 5,12-dihydro-5,12-dimethyl-; MFCD00683078; 5,12-Dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione
• Storage: Room Temperature (Recommended in a cool and dark place)
• IUPAC Name: 5,12-dimethylquinolino[2,3-b]acridine-7,14-dione
• InChI: InChI=1S/C22H16N2O2/c1-23-17-9-5-3-7-13(17)21(25)15-12-20-16(11-19(15)23)22(26)14-8-4-6-10-18(14)24(20)2/h3-12H,1-2H3
• InChIKey: SCZWJXTUYYSKGF-UHFFFAOYSA-N
• SMILES: CN1C2=CC=CC=C2C(=O)C3=CC4=C(C=C31)C(=O)C5=CC=CC=C5N4C

5,12-Dimethylquinolino[2,3-b]acridine-7,14-dione (CAT: M440041) is an anthraquinone-based organic semiconductor valued for its strong electron-accepting properties, high photostability, and robust thermal durability. Its rigid fused-ring framework, modified with methyl substituents, enhances electronic performance and stability, making it suitable for charge-transport and emissive applications. DMQAQ is widely explored in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and thin-film transistors, where it functions as an electron-transport layer or active material. Additionally, its strong absorption and redox activity make it useful in photonics and sensing research. Combining structural rigidity with reliable performance, DMQAQ remains an important material in next-generation optoelectronic technologies.