Description

4-[[1-[[(2-Methoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]-3-Nitro-Benzenesulfonic Acid is a specialized azo dye intermediate of significant commercial importance. Its value lies in its role as a key precursor for synthesizing high-performance dyes and pigments, offering precise color properties and structural stability. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced coloring agents.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a critical building block in the synthesis of complex, high-value azo colorants.
• Textile Dye Manufacturing: Used in the production of dyes for coloring natural and synthetic fibers, valued for color fastness.
• Inkjet and Printing Ink Formulations: A key component in creating specialized inks that require specific hue and stability characteristics.
• Functional Dye Synthesis: Potential use in the development of dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).
• Research & Development: Employed in chemical R&D for exploring new chromophores and advanced material science applications.
• Analytical Chemistry Reagent: May be utilized as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Item	Details
Product Name	4-[[1-[[(2-Methoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]-3-Nitro-Benzenesulfonic Acid
CAS No.	75205-05-9
Molecular Formula	C17H16N4O8S
Molecular Weight	436.40 g/mol
Synonyms	Benzenesulfonic acid, 4-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-3-nitro-; 3-Nitro-4-[[1-[(2-methoxyphenyl)carbamoyl]-2-oxopropyl]azo]benzenesulfonic acid; Azo dye intermediate 75205-05-9; 4-(1-((2-Methoxyphenyl)carbamoyl)-2-oxopropylazo)-3-nitrobenzenesulfonic acid; C.I. Azoic Coupling Component (related derivatives); Light-sensitive azo sulfonic acid
EINECS	Contact for details

Quality Control

Our production of 4-[[1-[[(2-Methoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]-3-Nitro-Benzenesulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure consistent quality and batch-to-batch reliability. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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