Description

1,5-Diamino-4,8-Dihydroxy-2-(4-Hydroxyphenyl)Anthraquinone is a specialized anthraquinone derivative distinguished by its multi-functional phenolic and amino groups. This compound matters for its role as a key chromophore and intermediate in the synthesis of high-performance dyes and functional pigments. Industries requiring precise colorants and advanced material science, such as textile dyeing, ink formulation, and specialty chemical manufacturing, rely on its consistent quality and specific structural properties.

Application

• Primary Intermediate for Vat Dyes: A crucial building block in the synthesis of high-grade, colorfast vat dyes used in cotton and cellulose fiber dyeing.
• Specialty Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics where specific hue and stability are required.
• Functional Dye Synthesis: Serves as a precursor for dyes used in non-textile applications, including paper coloring and leather finishing.
• Research & Development: Employed in academic and industrial R&D for developing new chromophoric systems and studying electron-transfer processes.
• Photographic and Imaging Chemicals: Potential use in the formulation of light-sensitive layers and specialty imaging materials.
• Liquid Crystal Display (LCD) Color Filters: Investigated for use in color filter arrays due to its anthraquinone-based color properties.

Basic Information

Item	Detail
Product Name	1,5-Diamino-4,8-Dihydroxy-2-(4-Hydroxyphenyl)Anthraquinone
CAS No.	13716-91-1
Molecular Formula	C20H14N2O5
Molecular Weight	362.34 g/mol
Synonyms	1,5-Diamino-4,8-dihydroxy-2-(4-hydroxyphenyl)anthracene-9,10-dione; 4-[(1,5-Diamino-4,8-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)oxy]phenol; C.I. 59805; Anthraquinone, 1,5-diamino-4,8-dihydroxy-2-(4-hydroxyphenyl)-; 2-(4-Hydroxyphenyl)-1,5-diamino-4,8-dihydroxyanthraquinone; 1,5-Diamino-2-(p-hydroxyphenyl)-4,8-dihydroxyanthraquinone; Disperse Blue 60 (related structure); A key anthraquinone dye intermediate.
EINECS	Contact for details

Quality Control

Our production of 1,5-Diamino-4,8-Dihydroxy-2-(4-Hydroxyphenyl)Anthraquinone adheres to stringent quality management protocols. Each batch undergoes comprehensive analysis including HPLC for purity, spectroscopic identification (IR, UV-Vis), and tests for residual solvents and heavy metals to ensure it meets 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 area at a controlled 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 to maintain product integrity.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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