Description

Dihydrogen [4-[[4-(dimethylamino)-3-sulphonatophenyl][2-ethoxy-4-(2-sulphonato-p-toluidino)phenyl]methylene]-2-sulphonatocyclohexa-2,5-dien-1-ylidene]dimethylammonium, disodium salt is a high-purity, water-soluble triarylmethane dye intermediate. This compound is valued for its role as a key precursor in the synthesis of specialized dyes and pigments, offering excellent chromophore properties. It is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vibrant and stable colorants.

Application

• Dye and Pigment Synthesis: Primary intermediate for manufacturing triarylmethane dyes, including acid dyes and cationic dyes.
• Textile Industry: Used in the production of dyes for coloring wool, silk, and polyamide fibers.
• Ink Formulation: Key component in the creation of high-performance inks for digital and industrial printing.
• Biological Staining: Potential use as a precursor for histological stains and indicators in laboratory settings.
• Analytical Chemistry: Can be utilized in the development of colorimetric sensors and pH indicators.
• Specialty Coatings: Employed in formulating colored coatings and varnishes for niche applications.

Basic Information

Product Name	Dihydrogen [4-[[4-(dimethylamino)-3-sulphonatophenyl][2-ethoxy-4-(2-sulphonato-p-toluidino)phenyl]methylene]-2-sulphonatocyclohexa-2,5-dien-1-ylidene]dimethylammonium, disodium salt
CAS No.	94135-52-1
Molecular Formula	C34H37N3Na2O11S3
Molecular Weight	813.82 g/mol
Synonyms	Acid Blue 90 Intermediate; C.I. 42655 Intermediate; Victoria Pure Blue BO Intermediate; 4-[[4-(Dimethylamino)-3-sulfophenyl][2-ethoxy-4-[(2-sulfo-4-methylphenyl)amino]phenyl]methylene]-2-sulfocyclohexa-2,5-dien-1-ylidene]dimethylammonium, disodium salt; Triarylmethane dye precursor; Disodium 4-({4-[ethyl(2-sulfo-4-methylphenyl)amino]-2-ethoxyphenyl}{4-[ethyl(3-sulfophenyl)amino]-2-methylphenyl}methylene)-3-sulfocyclohexa-2,5-dien-1-ylidene)azanium
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, blue solution

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