Description

4,5-Diamino-9,10-Dihydro-1,8-Dihydroxy-9,10-Dioxoanthracene-2,6-Disulphonic Acid is a high-purity, specialized anthraquinone derivative with a complex, multi-functional structure. This compound is valued for its role as a critical intermediate in the synthesis of high-performance dyes and pigments, particularly for demanding technical applications. It is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid, stable colors with specific functional properties.

Application

• Dye Intermediate: A key precursor in the synthesis of anthraquinone-based acid dyes and reactive dyes for textiles, especially wool, silk, and nylon.
• Pigment Manufacturing: Used in the production of high-grade organic pigments for inks, coatings, and plastics requiring excellent color fastness and thermal stability.
• Functional Dyes: Serves as a building block for dyes used in specialized applications such as laser marking, optical data storage, and non-linear optics.
• Research & Development: Employed in academic and industrial R&D for developing novel chromophores, sensors, and advanced materials.
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic analysis and quality control of dye products.

Basic Information

Product Name	4,5-Diamino-9,10-Dihydro-1,8-Dihydroxy-9,10-Dioxoanthracene-2,6-Disulphonic Acid
CAS No.	17418-72-3
Molecular Formula	C₁₄H₁₂N₂O₁₀S₂
Molecular Weight	456.39 g/mol
Synonyms	1,8-Dihydroxy-4,5-diaminoanthraquinone-2,6-disulfonic Acid; 4,5-Diamino-1,8-dihydroxyanthraquinone-2,6-disulfonic Acid; C.I. 62055; Acid Blue 45 Intermediate; Anthraquinone Blue Intermediate; 1,8-Dihydroxy-4,5-diamino-9,10-dihydro-9,10-dioxoanthracene-2,6-disulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 4,5-Diamino-9,10-Dihydro-1,8-Dihydroxy-9,10-Dioxoanthracene-2,6-Disulphonic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark Blue to Black Powder or Crystals
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
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.