Description

[[4'-[[1-Hydroxy-6-(Phenylamino)-3-Sulfo-2-Naphthalenyl]Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Amino]Oxoacetic Acid Disodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its value lies in its role as a key precursor for synthesizing specialized dyes and pigments, offering excellent color properties and structural versatility. This compound is primarily needed by manufacturers in the textile, ink, and specialty coatings industries seeking to develop high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: A critical building block in the synthesis of reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Used in the production of high-grade organic pigments for inks, plastics, and coatings.
• Textile Dyeing: Imparts specific color shades and properties when incorporated into final dye formulations.
• Research & Development: Serves as a standard or starting material in chemical R&D for novel chromophores and functional dyes.
• Analytical Chemistry: Potential use as a staining agent or colorimetric indicator in specific laboratory applications.

Basic Information

Item	Details
Product Name	[[4'-[[1-Hydroxy-6-(Phenylamino)-3-Sulfo-2-Naphthalenyl]Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Amino]Oxoacetic Acid Disodium Salt
CAS No.	6417-26-1
Molecular Formula	C38H28N4Na2O11S
Molecular Weight	794.69 g/mol
Synonyms	Reactive Dye Intermediate 6417-26-1; 4'-[(1-Hydroxy-6-anilino-3-sulfo-2-naphthyl)azo]-3,3'-dimethoxy-4-(carboxymethylamino)biphenyl Disodium Salt; C.I. Reactive Orange 16 Intermediate; Disodium 4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-ylamino]oxoacetate; Azo Dye Precursor 6417-26-1
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Every lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling and spectroscopic identification (IR, UV-Vis). A detailed Certificate of Analysis (COA) documenting purity, physical properties, and conformance to agreed specifications is provided with each 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 sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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