Description

1,4-Diamino-2,3-Dihydroanthraquinone is a specialized anthraquinone derivative, a key intermediate in the synthesis of high-value dyes and pigments. Its chemical structure provides the chromophore backbone essential for producing vivid and stable colors, making it a critical raw material for demanding colorant applications. This compound is primarily sought by manufacturers in the dye and pigment industries, as well as by research institutions developing advanced organic materials and functional dyes.

Application

• Dye Intermediate: A crucial precursor for the synthesis of vat dyes, particularly anthraquinone-based dyes known for their excellent color fastness and brightness.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for plastics, coatings, and inks, where lightfastness and thermal stability are paramount.
• Functional Dyes: Serves as a building block for creating specialized dyes used in non-textile applications, such as liquid crystal displays (LCDs) and electronic materials.
• Chemical Research: Employed in academic and industrial R&D laboratories as a starting material for novel heterocyclic compounds and advanced organic synthesis.
• Textile Dyeing: As an intermediate for dyes applied to natural and synthetic fibers, contributing to deep, durable shades.

Basic Information

Product Name	1,4-Diamino-2,3-Dihydroanthraquinone
CAS No.	81-63-0
Molecular Formula	C₁₄H₁₂N₂O₂
Molecular Weight	240.26 g/mol
Synonyms	1,4-Diamino-2,3-dihydro-9,10-anthracenedione; 1,4-Diamino-2,3-dihydroanthra-9,10-quinone; 2,3-Dihydro-1,4-diaminoanthraquinone; C.I. 59800; C.I. Vat Yellow 1; Algol Yellow GC; Cibanone Yellow R; Indanthren Yellow GC; Mikethrene Yellow GC; Nihonthrene Yellow GC; 1,4-Diaminoanthrahydroquinone
EINECS	201-366-7

Quality Control

Our 1,4-Diamino-2,3-Dihydroanthraquinone is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, identity confirmation via spectroscopy, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications is supplied with each shipment to guarantee compliance with your technical requirements.

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 such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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