Description

1,5-Dihydroxy-4,8-Bis[(4-Methylphenyl)Amino]Anthraquinone is a specialized anthraquinone derivative valued for its distinct chromophoric properties. This compound is significant for its role as a key intermediate in the synthesis of high-performance dyes and pigments, offering excellent color fastness and thermal stability. It is primarily needed by manufacturers in the textile, plastics, and specialty chemical industries for developing vibrant and durable colorants.

Application

• Dye Intermediate: A critical precursor for synthesizing high-value, solvent-based and disperse dyes used in textile coloration.
• Pigment Manufacturing: Used in the production of organic pigments for plastics, coatings, and inks, providing excellent hue and weather resistance.
• Functional Colorants: Employed in the development of colorants for liquid crystal displays (LCDs) and other electronic applications.
• Research & Development: Serves as a building block in academic and industrial R&D for novel chromophores and materials science.
• Specialty Chemical Synthesis: Utilized as an intermediate in the synthesis of more complex anthraquinone-based chemicals for various industrial applications.

Basic Information

Product Name	1,5-Dihydroxy-4,8-Bis[(4-Methylphenyl)Amino]Anthraquinone
CAS No.	20241-75-2
Molecular Formula	C28H22N2O4
Molecular Weight	450.49 g/mol
Synonyms	1,5-Dihydroxy-4,8-bis(p-toluidino)anthraquinone; 1,5-Dihydroxy-4,8-bis(4-methylanilino)anthraquinone; 4,8-Bis[(4-methylphenyl)amino]-1,5-anthracenedione; Solvent Violet 13 (C.I. 60725); C.I. 60725; 1,5-Dihydroxy-4,8-bis[(4-methylphenyl)amino]-9,10-anthracenedione; 1,5-Bis(p-toluidino)-4,8-dihydroxyanthraquinone
EINECS	243-637-1

Quality Control

Our production of 1,5-Dihydroxy-4,8-Bis[(4-Methylphenyl)Amino]Anthraquinone adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) documenting identity, purity, and related substances are provided with every shipment to support your quality assurance processes.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Dark Blue to Violet Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.