Description

Trisodium hydrogen 5-[[4'-[[8-[[2,4-dihydroxy-3-[(2-methoxy-5-sulphonatophenyl)azo]phenyl]azo]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]-3,3'-dimethoxy[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 complex, high-performance dyes and pigments with excellent color fastness and stability. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking to produce vibrant and durable colors.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for cotton, wool, and nylon fibers.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for industrial paints, inks, and plastics.
• Textile Dyeing: Serves as a crucial component in formulations for dyeing and printing textiles, offering excellent wash and light fastness.
• Specialty Ink Production: Employed in manufacturing inks for digital printing, packaging, and security applications.
• Research & Development: Used in chemical R&D for developing new chromophores and studying azo dye chemistry.
• Leather Coloring: Applied in the formulation of dyes for the leather tanning and finishing industry.
• Paper Coloring: Utilized in the production of dyes for high-quality paper and board.

Basic Information

Item	Details
Product Name	Trisodium hydrogen 5-[[4'-[[8-[[2,4-dihydroxy-3-[(2-methoxy-5-sulphonatophenyl)azo]phenyl]azo]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]salicylate
CAS No.	93964-62-6
Molecular Formula	C46H30N8Na3O20S4
Molecular Weight	~1196.98 g/mol (Contact for exact details)
Synonyms	Trisodium 5-[(4'-[(8-[(2,4-dihydroxy-3-[(2-methoxy-5-sulfonatophenyl)azo]phenyl)azo]-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3,3'-dimethoxybiphenyl-4-yl)azo]salicylate; Reactive Dye Intermediate; Azo Dye Precursor; Polyazo Dye Intermediate; CI Reactive Red 238 (related); Tetrasulfonated Azo Compound; Sodium Salt of Azo Dye Acid
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity for your synthesis processes. Quality is verified through multiple analytical techniques including HPLC, UV-Vis spectroscopy, and titration. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment 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 absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content (KF)	Max. 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	Max. 20 ppm
Sulfated Ash	Contact for details
pH (1% Solution)	7.0 - 9.0

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