Description

Benzoic acid, 2-[[1-[4-[2-[4-[[4-[[4-[(3-carboxy-4-hydroxyphenyl)azo]phenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]-3-sulfophenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-5-sulfo- is a complex, high-performance azo dye intermediate with multiple sulfonic acid and carboxylic acid groups, imparting excellent water solubility and substantivity. This compound is engineered to provide superior color strength, brightness, and wash-fastness in demanding applications. It is a critical raw material for manufacturers of reactive and direct dyes targeting textiles, inks, and specialty coatings where vibrant, durable coloration is essential.

Application

• Primary Intermediate for Reactive Dyes: Synthesis of high-quality reactive dyes for cotton, viscose, and other cellulosic fibers.
• Direct Dye Production: Manufacturing of direct dyes for paper, leather, and textile applications requiring good affinity.
• Specialty Ink Formulations: Used in the production of inks for jet printing, packaging, and security printing due to its color properties.
• Functional Dye Synthesis: Serves as a precursor for dyes used in optical data storage, liquid crystal displays (LCDs), and laser dyes.
• Research & Development: A key compound for academic and industrial R&D in advanced organic synthesis and chromophore design.

Basic Information

Product Name	Benzoic acid, 2-[[1-[4-[2-[4-[[4-[[4-[(3-carboxy-4-hydroxyphenyl)azo]phenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]-3-sulfophenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-5-sulfo-
CAS No.	94159-09-8
Molecular Formula	C52H36N14O16S3
Molecular Weight	~1185.10 g/mol (Contact for details)
Synonyms	Reactive Dye Intermediate 94159-09-8; Polyazo Dye Intermediate; C.I. Reactive Red 198 Intermediate (related); Trisulfonated Azo Dye Precursor; Benzoic acid, 5-sulfo-2-[[1-[4-[2-[4-[[4-[[4-[(3-carboxy-4-hydroxyphenyl)azo]phenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]-3-sulfophenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-; Azo Pyrazolone Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems (ISO 9001) to ensure batch-to-batch consistency and purity. Every lot is analyzed using advanced techniques like HPLC and spectrophotometry to confirm critical parameters such as chromophore content, impurity profile, and strength. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical specifications is provided with each shipment 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 a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Ash Content	Max. 1.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	Max. 20 ppm

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