Description

1,4-Dihydroxy-5,8-Bis[(4-Methylphenyl)Amino]Anthraquinone is a high-purity, functionalized anthraquinone derivative valued for its role as a key intermediate in the synthesis of specialized dyes and pigments. This compound matters for its ability to impart specific color and performance characteristics, including enhanced lightfastness and thermal stability, in advanced material systems. It is primarily needed by manufacturers in the specialty chemicals sector, particularly those developing high-performance colorants for plastics, inks, and advanced organic electronic materials.

Application

• Key intermediate in the synthesis of high-performance anthraquinone dyes and pigments for plastics and synthetic fibers.
• Precursor for functional colorants used in specialty inks, including security and jet printing inks.
• Building block in the research and development of organic semiconductors and photoconductive materials.
• Used in the formulation of liquid crystal dyes for display applications.
• Intermediate for solvent dyes employed in the petroleum and automotive industries.
• Research chemical in the development of novel photosensitizers and light-harvesting materials.

Basic Information

Product Name	1,4-Dihydroxy-5,8-Bis[(4-Methylphenyl)Amino]Anthraquinone
CAS No.	23941-48-2
Molecular Formula	C28H22N2O4
Molecular Weight	450.49 g/mol
Synonyms	1,4-Dihydroxy-5,8-bis(p-toluidino)anthraquinone; 5,8-Bis[(4-methylphenyl)amino]-1,4-dihydroxy-9,10-anthracenedione; 1,4-Dihydroxy-5,8-bis(4-methylanilino)anthraquinone; CI 61520; Solvent Green 28; D&C Green No. 6; 1,4-Dihydroxy-5,8-bis(p-tolylamino)anthraquinone; Anthraquinone, 1,4-dihydroxy-5,8-bis[(4-methylphenyl)amino]-
EINECS	Contact for details

Quality Control

Our 1,4-Dihydroxy-5,8-Bis[(4-Methylphenyl)Amino]Anthraquinone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent high-quality standards. A Certificate of Analysis (COA) detailing all relevant parameters is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark green to black powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.