Description

1-Amino-2-Bromo-4-p-Toluidinoanthraquinone is a specialized anthraquinone derivative, a key intermediate in the synthesis of high-performance dyes and pigments. Its molecular structure is engineered to provide excellent color fastness and thermal stability in demanding applications. This compound is essential for manufacturers in the textile, plastics, and specialty chemical industries seeking to produce vivid, durable colors.

Application

• Disperse Dye Intermediate: A critical precursor for synthesizing high-grade disperse dyes used in polyester and acetate fiber coloring.
• Pigment Manufacturing: Serves as a key building block for producing organic pigments with enhanced brightness and weather resistance for plastics and coatings.
• Specialty Ink Formulation: Used in the development of advanced inks for digital printing and security marking applications.
• Liquid Crystal Dyes (LCD): Employed in the research and production of dyes for liquid crystal display applications due to its stable chromophore.
• Chemical Research & Development: A valuable intermediate for academic and industrial R&D in novel chromophores and functional materials.
• Photographic Sensitizers: Can be utilized in the synthesis of compounds for photographic and imaging technologies.

Basic Information

Product Name	1-Amino-2-Bromo-4-p-Toluidinoanthraquinone
CAS No.	128-83-6
Molecular Formula	C21H15BrN2O2
Molecular Weight	407.26 g/mol
Synonyms	1-Amino-2-bromo-4-(p-toluidino)anthraquinone; 2-Bromo-1-amino-4-p-toluidinoanthraquinone; C.I. Disperse Blue 148; Disperse Blue 148; 4-[(4-Methylphenyl)amino]-2-bromo-1-anthraquinonylamine; 1-Amino-2-bromo-4-(4-methylanilino)anthraquinone; Anthraquinone, 1-amino-2-bromo-4-(p-toluidino)-; 128-83-6
EINECS	204-907-5

Quality Control

Our 1-Amino-2-Bromo-4-p-Toluidinoanthraquinone is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee 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 heat sources and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark Blue to Violet Powder
Identification (IR)	Conforms to Structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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