Description

4,4'-Bis[[2-Oxo-1-[(Phenylamino)Carbonyl]Propyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid is a high-purity, synthetic organic chemical compound, primarily recognized as a key intermediate in the production of high-performance dyes and pigments. Its value lies in its complex azo-biphenyl disulphonic acid structure, which provides excellent chromophoric properties and thermal stability for demanding applications. This product is essential for manufacturers in the specialty chemicals sector, particularly those developing advanced colorants for textiles, inks, and functional materials where precise color quality and consistency are critical.

Application

• Primary Intermediate for Dyes & Pigments: Serves as a crucial building block in the synthesis of high-value azo dyes and pigments, imparting vibrant and stable colors.
• Textile Dyeing: Used in the manufacture of dyes for coloring natural and synthetic fibers, offering good wash and light fastness.
• Ink Formulations: A key component in producing colorants for various printing inks, including packaging and industrial inks.
• Functional Colorants: Potential use in the development of colorants for plastics, coatings, and other polymer-based materials.
• Research & Development: Employed in chemical R&D laboratories for exploring new chromophores and advanced material science applications.
• Analytical Chemistry: May be used as a standard or reagent in specific analytical methods due to its distinct chemical structure.

Basic Information

Product Name	4,4'-Bis[[2-Oxo-1-[(Phenylamino)Carbonyl]Propyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid
CAS No.	37678-92-5
Molecular Formula	C38H30N6O10S2
Molecular Weight	794.80 g/mol
Synonyms	4,4'-Bis[(2-oxo-1-[(phenylamino)carbonyl]propyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid; C.I. Acid Yellow 219; Acid Yellow 219; 4,4'-Bis(1-carbamoyl-1-oxopropan-2-ylazo)biphenyl-2,2'-disulfonic acid; 4,4'-Bis(2-carbamoyl-2-oxopropan-1-ylazo)biphenyl-2,2'-disulfonic acid; 1,1'-Biphenyl-2,2'-disulfonic acid, 4,4'-bis[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]-; Azo biphenyl disulfonic acid derivative
EINECS	Contact for details

Quality Control

Our production of 4,4'-Bis[[2-Oxo-1-[(Phenylamino)Carbonyl]Propyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity for industrial applications. Every lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet precise customer specifications. Certificates of Analysis (COA) documenting identity, purity, and related substances are provided with each 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 ambient temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials. Due to its complex organic structure, prolonged exposure to elevated temperatures or humidity should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Related Substances (HPLC)	Total Impurities ≤ 5.0%
Solubility	Soluble in Alkaline Aqueous Solutions

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