Description

[[4-[[4-(Phenylimino)-2,5-Cyclohexadien-1-Ylidene][4-[(Sulphophenyl)Amino]Phenyl]Methyl]Phenyl]Amino]Benzenesulphonic Acid is a specialized organic dye intermediate belonging to the triarylmethane class, characterized by its complex sulphonated aromatic structure. This compound matters for its role as a key precursor in synthesizing high-value, water-soluble dyes and pigments, offering excellent chromophoric properties. Industrial manufacturers and R&D laboratories in the colorant sector require this chemical for developing products with specific hue, stability, and solubility profiles.

Application

• Dye and Pigment Synthesis: Primary use as a crucial intermediate for manufacturing triarylmethane dyes, including acid dyes and food colorants.
• Textile Industry: Used in the production of dyes for coloring wool, silk, and nylon fibers, providing bright and wash-fast colors.
• Biological Staining: Potential application in the formulation of histological stains for microscopy, leveraging its chromogenic properties.
• Ink Manufacturing: Serves as a component in the synthesis of specialty inks for printing and packaging applications.
• Analytical Chemistry: Can be utilized as a pH indicator or a reagent in colorimetric detection methods.
• Research & Development: Employed in organic synthesis research to develop new functional dyes and photonic materials.

Basic Information

Product Name	[[4-[[4-(Phenylimino)-2,5-Cyclohexadien-1-Ylidene][4-[(Sulphophenyl)Amino]Phenyl]Methyl]Phenyl]Amino]Benzenesulphonic Acid
CAS No.	1324-77-2
Molecular Formula	C31H24N2O6S2
Molecular Weight	584.66 g/mol
Synonyms	Acid Blue 119 (C.I. 13315); Benzenesulfonic acid, 4-[[4-[[4-(phenylimino)-2,5-cyclohexadien-1-ylidene][4-[(4-sulfophenyl)amino]phenyl]methyl]phenyl]amino]-; C.I. 13315; 4-[[4-[[4-(Phenylimino)-2,5-cyclohexadien-1-ylidene][4-[(4-sulfophenyl)amino]phenyl]methyl]phenyl]amino]benzenesulfonic acid; Acid Blue 119; Wool Blue B; Sulphonated Triphenylmethane Derivative
EINECS	Contact for details

Quality Control

Our [[4-[[4-(Phenylimino)-2,5-Cyclohexadien-1-Ylidene][4-[(Sulphophenyl)Amino]Phenyl]Methyl]Phenyl]Amino]Benzenesulphonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with industry standards. Key parameters such as assay, impurity profile, and color strength are verified. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance protocols.

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 and incompatible materials. The product is light-sensitive; prolonged exposure to light should be avoided to prevent degradation.

Specification

Item	Specification
Appearance	Dark blue to dark green powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water; sparingly soluble in organic solvents

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