Description

1-Amino-9,10-Dihydro-4-[(4-Hydroxyphenyl)Amino]-9,10-Dioxoanthracene-2-Sulphonic Acid is a high-purity, anthraquinone-based intermediate of significant commercial importance. This compound serves as a critical building block in the synthesis of advanced colorants and functional materials, valued for its specific chromophore structure and reactive functional groups. It is primarily sought after by manufacturers in the specialty dyes and pigments industry, as well as by research institutions developing novel organic electronic materials.

Application

• Key Intermediate for Anthraquinone Dyes: Essential for synthesizing high-performance acid dyes, disperse dyes, and reactive dyes used in textile coloring.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Functional Dye Synthesis: Serves as a precursor for dyes used in biological staining, laser applications, and nonlinear optical materials.
• Research & Development: Employed in academic and industrial R&D for creating new chromophores and studying charge-transfer complexes.
• Electrophotographic Materials: Potential use in the development of charge-generating materials for photocopiers and laser printers.
• Chemical Sensing: Investigated for use in the fabrication of chemical sensors due to its distinct colorimetric properties.

Basic Information

Item	Details
Product Name	1-Amino-9,10-Dihydro-4-[(4-Hydroxyphenyl)Amino]-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	67966-88-5
Molecular Formula	C20H14N2O6S
Molecular Weight	410.40 g/mol
Synonyms	1-Amino-4-[(4-hydroxyphenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid; 1-Amino-4-(4-hydroxyanilino)anthraquinone-2-sulfonic acid; 4-[(4-Hydroxyphenyl)amino]-1-aminoanthraquinone-2-sulfonic acid; Acid Blue 324 Intermediate; C.I. 61525; Disperse Blue 60 Intermediate; 1,4-Diamino-2-sulfo-9,10-anthraquinone derivative; 67966-88-5
EINECS	Contact for details

Quality Control

Our production of 1-Amino-9,10-Dihydro-4-[(4-Hydroxyphenyl)Amino]-9,10-Dioxoanthracene-2-Sulphonic 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 the exacting standards of the dyes and pigments industry. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%
Solubility	Soluble in alkaline aqueous solutions

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