Description

n-[4-[[4-(Dimethylamino)Phenyl](4-Sodiosulfophenyl)Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methyl-3-Sulfonatobenzenemethanaminium is a high-purity, water-soluble cationic triarylmethane dye salt, widely recognized for its brilliant color and stability. This compound is essential for applications requiring intense, reliable coloration and specific chemical interactions in aqueous systems. It is primarily sought by manufacturers in the textile, paper, biological staining, and specialty ink industries for its consistent performance and quality.

Application

• Textile Dyeing: Used as a key colorant for dyeing wool, silk, and polyamide fibers, providing vibrant shades with good wash-fastness.
• Paper Coloring: Employed in the production of colored papers and paper products, including specialty packaging and decorative items.
• Biological Staining: Serves as a vital histological and cytological stain in laboratory settings for microscopic analysis.
• Ink Manufacturing: A critical component in formulating inks for ballpoint pens, stamp pads, and other writing instruments.
• Leather Processing: Applied in the dyeing of leather goods to achieve consistent and deep coloration.
• Indicator Chemistry: Can be utilized in the synthesis of pH indicators and other analytical reagents due to its distinct color change properties.

Basic Information

Product Name	n-[4-[[4-(Dimethylamino)Phenyl](4-Sodiosulfophenyl)Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methyl-3-Sulfonatobenzenemethanaminium
CAS No.	6362-35-2
Molecular Formula	C29H29N2NaO6S2
Molecular Weight	588.67 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Aniline Blue; Spirit Blue; [4-[4-(Dimethylamino)-α-[4-(sulfonato)phenyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium inner salt, sodium salt; Benzenemethanaminium, N-[4-[[4-(dimethylamino)phenyl][4-(sulfooxy)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, inner salt, sodium salt
EINECS	228-881-2

Quality Control

Our production of n-[4-[[4-(Dimethylamino)Phenyl](4-Sodiosulfophenyl)Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methyl-3-Sulfonatobenzenemethanaminium adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, purity, and solubility. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark green to blue-green powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100% ± 3% (vs. Standard)
Loss on Drying	≤ 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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