Description

4,4'-Bis[[1-[[(2-Chlorophenyl)Amino]Carbonyl]-2-Oxopropyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid is a high-purity, specialized azo dye intermediate of significant commercial importance. Its value lies in its role as a key precursor for synthesizing high-performance pigments and dyes, offering excellent color strength and stability. This compound is primarily needed by manufacturers in the pigments, dyes, inks, and specialty coatings industries seeking to produce vibrant and durable colorants.

Application

• Primary Intermediate for Azo Pigments: Serves as a crucial building block in the synthesis of high-performance disazo and polyazo pigments.
• Dye Manufacturing: Used in the production of acid dyes and direct dyes for textiles, leather, and paper.
• Specialty Inks: A key component in formulating inks for packaging, security printing, and digital applications requiring specific color properties.
• Industrial Coatings: Incorporated into coatings for plastics, metals, and other substrates where color fastness and chemical resistance are critical.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and functional materials.
• Functional Colorants: Potential use in the development of colorants for non-textile applications, such as in polymers and masterbatches.

Basic Information

Product Name	4,4'-Bis[[1-[[(2-Chlorophenyl)Amino]Carbonyl]-2-Oxopropyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid
CAS No.	84682-06-4
Molecular Formula	C38H28Cl2N6O10S2
Molecular Weight	863.70 g/mol
Synonyms	4,4'-Bis(1-((2-chlorophenyl)carbamoyl)-2-oxopropylazo)biphenyl-2,2'-disulfonic Acid; C.I. Acid Yellow 220; Acid Yellow 220; Disodium 4,4'-bis[1-[(2-chlorophenyl)carbamoyl]-2-oxopropylazo]biphenyl-2,2'-disulphonate; 2,2'-(4,4'-Biphenylylene)bis(azo)bis[N-(2-chlorophenyl)-3-oxobutyramide]-4,4'-disulfonic Acid; 84682-06-4; Azo dye intermediate YA-220
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Every lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. A Certificate of Analysis (COA) detailing identity, purity, and related substances is 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 room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual ≤ 1.0%, Total ≤ 3.0%

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