Description

2,7-Anthracenedisulfonic Acid, 9,10-Dihydro-4,5-Diamino-9,10-Dioxo-1-Hydroxy-, D is a specialized, high-purity anthraquinone derivative with a complex, functionalized structure. This compound is valued for its role as a critical intermediate in the synthesis of advanced dyes, pigments, and functional materials. It is primarily sought by manufacturers in the specialty chemicals, high-performance colorants, and pharmaceutical research sectors.

Application

• Dye & Pigment Intermediate: A key precursor for synthesizing high-value, complex anthraquinone-based dyes and organic pigments.
• Functional Material Synthesis: Used in the research and development of advanced materials, including organic semiconductors and light-harvesting molecules.
• Analytical Chemistry Reagent: Serves as a specialized reagent or standard in analytical methods and chemical research.
• Pharmaceutical Intermediate: Potential building block for the synthesis of novel active pharmaceutical ingredients (APIs) in research settings.
• Photographic Chemicals: Can be utilized in the formulation of specialized photographic and imaging chemicals.

Basic Information

Product Name	2,7-Anthracenedisulfonic Acid, 9,10-Dihydro-4,5-Diamino-9,10-Dioxo-1-Hydroxy-, D
CAS No.	73651-49-7
Molecular Formula	C₁₄H₁₀N₂O₉S₂
Molecular Weight	414.37 g/mol
Synonyms	4,5-Diamino-1-hydroxy-9,10-dihydro-9,10-dioxo-2,7-anthracenedisulfonic Acid; 1-Hydroxy-4,5-diaminoanthraquinone-2,7-disulfonic Acid; Dihydro-4,5-diamino-9,10-dioxo-1-hydroxy-2,7-anthracenedisulfonic Acid; 4,5-Diamino-1-hydroxyanthraquinone-2,7-disulfonic Acid; Acid Blue 45 Intermediate; CAS 73651-49-7
EINECS	Contact for details

Quality Control

Every batch of 2,7-Anthracenedisulfonic Acid, 9,10-Dihydro-4,5-Diamino-9,10-Dioxo-1-Hydroxy-, D is manufactured under strict quality management systems. We provide comprehensive quality assurance, with product specifications tailored to meet the stringent requirements of advanced synthesis and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to ensure traceability and compliance.

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 strong acids and incompatible materials such as strong oxidizing agents. Due to its complex functional groups, prolonged exposure to elevated temperatures or humidity should be avoided.

Specification

Item	Specification
Appearance	Dark colored powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 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.