Description

n-Ethyl-n-[4-[[4-(Diethylamino)Phenyl][3-[n-(3-Sulfonatobenzyl)-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Ethanaminium is a specialized cationic triarylmethane dye derivative, valued for its intense color and water solubility due to its sulfonate groups. This compound is engineered for applications requiring high-performance colorants with excellent substantivity and stability. It is primarily sought by manufacturers in the textile, paper, and specialty ink industries for dyeing and printing processes.

Application

• Textile Dyeing: Used as a key colorant for dyeing natural and synthetic fibers, particularly where bright, wash-fast shades are required.
• Paper Coloring: Employed in the production of colored papers, including specialty packaging and decorative papers.
• Ink Formulation: A critical component in the manufacture of writing inks, stamp pad inks, and other liquid colorant systems.
• Biological Staining: Potential use as a histological or cytological stain in laboratory settings due to its affinity for certain cellular structures.
• Leather Finishing: Applied in the dyeing of leather goods to achieve vibrant and uniform coloration.
• Indicator Chemistry: Can be utilized in the development of pH or chemical reaction indicators based on its color-changing properties.

Basic Information

Item	Details
Product Name	n-Ethyl-n-[4-[[4-(Diethylamino)Phenyl][3-[n-(3-Sulfonatobenzyl)-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Ethanaminium
CAS No.	6416-28-0
Molecular Formula	C46H53N3O6S2Na
Molecular Weight	822.04 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; [4-[4-(Diethylamino)phenyl][4-(ethylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]ethylazanium; Ethyl-[4-[[4-(diethylamino)phenyl]-[4-(ethylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]azanium; Astra Blue; Paper Blue R; Spirit Soluble Blue B
EINECS	229-120-2

Quality Control

Our production of n-Ethyl-n-[4-[[4-(Diethylamino)Phenyl][3-[n-(3-Sulfonatobenzyl)-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Ethanaminium adheres to stringent quality protocols to ensure batch-to-batch consistency and performance. Each lot is analyzed for critical parameters including color strength, purity, and solubility. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to support your quality assurance and regulatory compliance 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 incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Solubility (Water)	Completely soluble
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%

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