Description

3-[[3-(3-Aminophenyl)-1,3-Dioxopropyl]Amino]-4-Methoxybenzenesulphonic Acid is a specialized organic intermediate featuring a benzenesulphonic acid core functionalized with amino and dioxopropylamino groups. This compound matters for its role as a key building block in the synthesis of complex dyes, pigments, and advanced functional materials, where its specific structure imparts valuable properties like solubility and chromophoric activity. It is primarily needed by manufacturers in the fine chemical, specialty dye, and advanced material research sectors seeking high-purity intermediates for precise synthesis.

Application

• Key intermediate in the synthesis of azo dyes and reactive dyes for textiles and inks.
• Building block for specialty pigments used in high-performance coatings and plastics.
• Precursor in the development of functional polymers and advanced organic materials.
• Intermediate for liquid crystal displays (LCD) and other electronic chemical applications.
• Research and development chemical for novel pharmaceutical intermediates and bioactive molecules.
• Used in the preparation of complexing agents and metal ion ligands.

Basic Information

Product Name	3-[[3-(3-Aminophenyl)-1,3-Dioxopropyl]Amino]-4-Methoxybenzenesulphonic Acid
CAS No.	94133-74-1
Molecular Formula	C17H18N2O7S
Molecular Weight	394.40 g/mol
Synonyms	4-Methoxy-3-[[3-(3-aminophenyl)-1,3-dioxopropyl]amino]benzenesulfonic acid; 3-[(3-(3-Aminophenyl)-3-oxopropanoyl)amino]-4-methoxybenzenesulfonic acid; Benzenesulfonic acid, 3-[[3-(3-aminophenyl)-1,3-dioxopropyl]amino]-4-methoxy-; 94133-74-1; 3-[(3-(3-Aminophenyl)-3-oxopropanoyl)amino]-4-methoxybenzene-1-sulfonic acid
EINECS	Contact for details

Quality Control

Our 3-[[3-(3-Aminophenyl)-1,3-Dioxopropyl]Amino]-4-Methoxybenzenesulphonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive synthesis processes. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 stability and performance.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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