Description

2-Hydroxy-3-Methyl-5-[Bis[3-Methyl-4-[n-[2-(Sodiosulfo)Ethyl]Amino]Phenyl]Methyl]Benzoic Acid is a specialized, high-purity organic intermediate with a complex, functionalized structure. Its value lies in its role as a precise building block for synthesizing advanced dyes, pigments, and functional materials where specific chromophoric and solubility properties are required. This compound is essential for manufacturers in the specialty chemicals, advanced material science, and high-performance dye industries seeking to develop products with tailored optical and chemical characteristics.

Application

• Synthesis of Reactive and Acid Dyes: A key intermediate for creating water-soluble, fiber-reactive dyes with excellent wash and light fastness for textiles.
• Production of Functional Pigments: Used in the manufacture of high-performance pigments for inks, coatings, and plastics requiring specific color strength and stability.
• Advanced Material Research: Serves as a monomer or precursor in the development of functional polymers, optical materials, and liquid crystals.
• Biochemical and Diagnostic Reagents: Potential use in synthesizing chromogenic substrates or fluorescent probes for analytical and diagnostic applications.
• Photographic and Imaging Chemicals: Can be utilized in the synthesis of color couplers and other agents for photographic and digital imaging technologies.

Basic Information

Item	Details
Product Name	2-Hydroxy-3-Methyl-5-[Bis[3-Methyl-4-[n-[2-(Sodiosulfo)Ethyl]Amino]Phenyl]Methyl]Benzoic Acid
CAS No.	10142-81-1
Molecular Formula	C33H41N2O8S2Na
Molecular Weight	688.80 g/mol
Synonyms	Benzoic acid, 2-hydroxy-3-methyl-5-[[[3-methyl-4-[[2-(sulfonatooxy)ethyl]amino]phenyl]methyl][3-methyl-4-[[2-(sulfonatooxy)ethyl]amino]phenyl]methyl]-; Sodium 5-[[bis(3-methyl-4-((2-sulfooxyethyl)amino)phenyl)methyl]-2-hydroxy-3-methylbenzoate; CI 58005; Acid Yellow 219; Dye intermediate for Acid Yellow 219; 5-[[Bis[3-methyl-4-[(2-sulfooxyethyl)amino]phenyl]methyl]-2-hydroxy-3-methylbenzoic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of 2-Hydroxy-3-Methyl-5-[Bis[3-Methyl-4-[n-[2-(Sodiosulfo)Ethyl]Amino]Phenyl]Methyl]Benzoic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and available upon request to support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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