Description

4-(4'-Dimethylamino-1'-Naphthylazo)-3-Methoxybenzenesulfonic Acid is a specialized azo dye intermediate characterized by its distinct molecular structure, which imparts valuable chromophoric properties. This compound is essential for synthesizing high-performance dyes and pigments, offering excellent color fastness and stability in demanding applications. It is primarily utilized by manufacturers in the dye and pigment industry, as well as by research institutions focused on advanced material science and analytical chemistry development.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-value, color-intensive azo dyes used in textiles, inks, and plastics.
• Specialty Chemical Synthesis: Employed in the production of complex organic molecules for research and development in material science.
• Analytical Reagent: Can be used as a chromogenic agent or indicator in specific analytical and biochemical assays due to its color-changing properties.
• Functional Material Research: Investigated for potential applications in non-linear optics, sensors, and other advanced functional materials.

Basic Information

Product Name	4-(4'-Dimethylamino-1'-Naphthylazo)-3-Methoxybenzenesulfonic Acid
CAS No.	74347-15-2
Molecular Formula	C19H19N3O4S
Molecular Weight	385.44 g/mol
Synonyms	3-Methoxy-4-[(4-dimethylamino-1-naphthyl)azo]benzenesulfonic Acid; 4-(4-Dimethylamino-1-naphthylazo)-3-methoxybenzenesulfonic Acid; C.I. 18050; Acid Orange 63; Benzenesulfonic acid, 4-[(4-(dimethylamino)-1-naphthalenyl)azo]-3-methoxy-; 4-[(4-Dimethylamino-1-naphthyl)azo]-3-methoxybenzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 4-(4'-Dimethylamino-1'-Naphthylazo)-3-Methoxybenzenesulfonic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory compliance 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). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red-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

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