Description

Disodium 5-[[4'-[(2,6-Diamino-3-Methyl-5-Sulphonatophenyl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing specialized dyes and pigments, offering excellent color properties and stability. It is primarily sought by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Textile Dyeing: A key intermediate for the synthesis of reactive and direct dyes used on cotton, wool, and nylon fibers.
• Ink Formulation: Used in the production of colorants for inks in packaging, printing, and writing applications.
• Pigment Manufacturing: Serves as a precursor for creating high-performance organic pigments with good lightfastness.
• Leather Coloring: Employed in the synthesis of dyes for coloring leather goods.
• Paper Industry: Used in the manufacture of dyes for specialty paper and cardboard products.
• Research & Development: A valuable chemical for R&D labs focusing on novel chromophores and dye chemistry.

Basic Information

Product Name	Disodium 5-[[4'-[(2,6-Diamino-3-Methyl-5-Sulphonatophenyl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylate
CAS No.	6637-88-3
Molecular Formula	C34H28N6Na2O8S
Molecular Weight	726.66 g/mol
Synonyms	Acid Red 114; C.I. 23635; Disodium 5-[(4'-[(2,6-diamino-3-methyl-5-sulfonatophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl)azo]salicylate; 2-Hydroxy-5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]benzoic acid disodium salt; C.I. Acid Red 114; Mordant Red 19; Eriosin Red B; Supranol Fast Red BW
EINECS	229-623-8

Quality Control

Our Disodium 5-[[4'-[(2,6-Diamino-3-Methyl-5-Sulphonatophenyl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylate is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity, consistent color strength, and compliance with industry specifications. Comprehensive Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics are provided with every shipment.

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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Ash Content	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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