Description

2,2'-[[4-[[2-(Methylsulphonyl)-4-Nitrophenyl]Azo]-m-Tolyl]Imino]Bisethyl Diacetate is a specialized azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering critical chromophoric and auxochromic properties. It is primarily sought by manufacturers in the textile, ink, and specialty coatings industries for producing vivid and stable colorants.

Application

• Dye Intermediate: A key precursor in the synthesis of disperse dyes and solvent dyes for synthetic fibers like polyester and nylon.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for plastics, inks, and coatings.
• Textile Coloration: Imparts durable and lightfast colors to textile fabrics through subsequent chemical processing.
• Specialty Ink Formulation: Employed in the development of inks for digital printing and industrial marking.
• Research & Development: Serves as a building block in chemical research for novel chromophores and functional materials.
• Polymer Additive: Can be utilized to introduce color or functional groups into polymer chains during synthesis.

Basic Information

Product Name	2,2'-[[4-[[2-(Methylsulphonyl)-4-Nitrophenyl]Azo]-m-Tolyl]Imino]Bisethyl Diacetate
CAS No.	29426-52-6
Molecular Formula	C22H24N4O8S
Molecular Weight	504.51 g/mol
Synonyms	2,2'-[[4-[[2-(Methylsulfonyl)-4-nitrophenyl]azo]-m-tolyl]imino]bis(ethyl acetate); 2-[4-[[2-(Methylsulfonyl)-4-nitrophenyl]azo]-3-methylphenyl]imino-di(ethyl acetate); Disperse Yellow Brown S-2RFL Intermediate; Azo Dye Intermediate 29426-52-6; Ethyl acetate, 2,2'-[[4-[[2-(methylsulfonyl)-4-nitrophenyl]azo]-3-methylphenyl]imino]bis-; 2,2'-((4-((2-(Methylsulfonyl)-4-nitrophenyl)diazenyl)-3-methylphenyl)azanediyl)bis(ethyl acetate)
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques like HPLC and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance processes.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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