Description

1-Amino-4-(3-Amino-4-Sulphoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is a high-purity, water-soluble anthraquinone derivative of significant industrial importance. This compound serves as a critical key intermediate in the synthesis of high-value dyes and pigments, prized for its ability to impart specific color and performance characteristics. It is primarily sought by manufacturers in the textile, leather, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary Intermediate for Anthraquinone Dyes: Essential for synthesizing a range of acid, disperse, and reactive dyes used in textile coloring.
• Leather Dye Production: Used in the manufacture of dyes for high-quality leather goods, providing excellent fastness properties.
• Specialty Pigment Synthesis: Acts as a precursor for creating high-performance organic pigments used in inks, coatings, and plastics.
• Research & Development: Employed in chemical research for developing novel chromophores and functional materials.
• Paper Coloring: Utilized in the production of dyes for specialty paper products.

Basic Information

Product Name	1-Amino-4-(3-Amino-4-Sulphoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	128-99-4
Molecular Formula	C20H15N3O7S2
Molecular Weight	473.48 g/mol
Synonyms	Acid Blue 45; C.I. 63010; 1-Amino-4-[(3-amino-4-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid; 2-Anthracenesulfonic acid, 1-amino-4-[(3-amino-4-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-; 1-Amino-4-(3-amino-4-sulfanilino)anthraquinone-2-sulfonic acid; Bromamine Acid (common intermediate name); 128-99-4
EINECS	204-909-5

Quality Control

Our production of 1-Amino-4-(3-Amino-4-Sulphoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC, UV-Vis, and FTIR. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

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 oxidizing agents. The product is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); ensure containers are sealed after use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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