Description

9-[(4-Amino-2-Sodiosulfophenyl)Amino]-11-Methyl-7-Phenyl-5-Phenylamino-4-Sulfonatobenzo[A]Phenazin-7-Ium is a sophisticated, water-soluble phenazine-based dye intermediate with significant commercial importance. Its value lies in its ability to impart vivid, stable coloration and serve as a key precursor in the synthesis of high-performance dyes and pigments. This compound is primarily needed by manufacturers in the textile, ink, and specialty chemical industries for producing advanced colorants.

Application

• Textile Dye Intermediate: A critical precursor for synthesizing reactive and direct dyes used in cotton and cellulose fiber coloring.
• Inkjet Ink Formulation: Used in the production of high-quality colorants for industrial and photographic-grade inks, ensuring color fastness and stability.
• Biological Staining Agent: Employed in the development of histological stains for microscopy and biomedical research applications.
• Functional Dye Synthesis: Serves as a building block for creating dyes used in laser applications, optical data storage, and nonlinear optics.
• Paper Coloring: Utilized in the manufacture of dyes for high-grade paper products requiring specific color properties.
• Analytical Chemistry Reagent: Acts as a chromogenic agent or indicator in specific spectrophotometric and diagnostic assays.

Basic Information

Item	Details
Product Name	9-[(4-Amino-2-Sodiosulfophenyl)Amino]-11-Methyl-7-Phenyl-5-Phenylamino-4-Sulfonatobenzo[A]Phenazin-7-Ium
CAS No.	6837-47-4
Molecular Formula	C31H23N5Na2O6S2
Molecular Weight	671.65 g/mol
Synonyms	Acid Blue 92; C.I. 13390; Benzo[a]phenazinium, 9-[(4-amino-2-sodiosulfophenyl)amino]-11-methyl-7-phenyl-5-(phenylamino)-4-sulfo-, inner salt; Wool Fast Blue BL; 9-[(4-Amino-2-sulfophenyl)amino]-11-methyl-7-phenyl-5-(phenylamino)-4-sulfobenzo[a]phenazin-7-ium, disodium salt; C.I. Acid Blue 92; Disodium 9-[(4-amino-2-sulfophenyl)amino]-11-methyl-7-phenyl-5-(phenylamino)-4-sulfobenzo[a]phenazin-7-ium
EINECS	229-920-3

Quality Control

Our production of 9-[(4-Amino-2-Sodiosulfophenyl)Amino]-11-Methyl-7-Phenyl-5-Phenylamino-4-Sulfonatobenzo[A]Phenazin-7-Ium adheres to stringent quality protocols to ensure batch-to-batch consistency and performance. All material is subjected to rigorous analytical testing, including HPLC for purity and spectrophotometry for color strength verification. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are provided with every shipment to support your quality assurance processes.

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 when not in use to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	95 - 105% of standard
Loss on Drying	≤ 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.0

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