Description

1,5-Diaminoanthraquinone is a high-purity, anthraquinone-based organic intermediate of significant industrial importance. Its core value lies in its dual amino functional groups, which make it a versatile precursor for synthesizing complex dyes and functional pigments. This compound is essential for manufacturers in the dyestuff, specialty chemical, and advanced materials sectors seeking to produce vivid, stable colors and specialized chemical structures.

Application

• Disperse Dye Synthesis: A key intermediate for manufacturing high-performance blue, violet, and black disperse dyes used in polyester and acetate textile fibers.
• Vat Dye Production: Used in the synthesis of specific vat dyes known for their excellent color fastness on cellulosic fabrics like cotton.
• Functional Pigments: Serves as a building block for creating pigments with specialized properties for inks, coatings, and plastics.
• Organic Synthesis Intermediate: Utilized in research and production of more complex anthraquinone derivatives for pharmaceutical and agrochemical applications.
• Liquid Crystal Dyes: Potential use in the development of dyes for electronic displays and optoelectronic devices due to its planar, conjugated structure.
• Photographic Sensitizers: Can be employed in the formulation of light-sensitive materials and photographic chemicals.

Basic Information

Product Name	1,5-Diaminoanthraquinone
CAS No.	129-44-2
Molecular Formula	C14H10N2O2
Molecular Weight	238.24 g/mol
Synonyms	1,5-Diamino-9,10-anthracenedione; 1,5-Diaminoanthracene-9,10-dione; C.I. 62500; 1,5-Anthraquinonediamine; 1,5-DAAQ; 1,5-Bis(amino)anthraquinone; Danthron diamine derivative
EINECS	204-940-4

Quality Control

Our 1,5-Diaminoanthraquinone is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including identity confirmation, purity assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark purple to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	295 - 305 °C
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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