Description

3(4-Dimethylamino-1-Naphthylazo)-4-Methoxybenzenesulfonic Acid is a specialized azo dye intermediate characterized by its distinct molecular structure, which is critical for imparting specific color and functional properties in advanced formulations. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering excellent lightfastness and chemical stability for demanding applications. It is primarily utilized by manufacturers in the dye and pigment, specialty chemical, and advanced materials industries seeking reliable, high-purity intermediates for research and production.

Application

• Key intermediate for the synthesis of high-performance azo dyes and pigments used in textiles and inks.
• Precursor in the development of specialized functional dyes for analytical chemistry and biological staining.
• Used in research and development of colorants for plastics and advanced polymeric materials.
• Potential component in the formulation of sensitizers and photoactive materials for optical applications.
• Intermediate for creating specialty chemicals used in non-textile coloring applications.

Basic Information

Product Name	3(4-Dimethylamino-1-Naphthylazo)-4-Methoxybenzenesulfonic Acid
CAS No.	62758-14-9
Molecular Formula	C19H19N3O4S
Molecular Weight	385.44 g/mol
Synonyms	4-Methoxy-3-[(4-dimethylamino-1-naphthyl)azo]benzenesulfonic Acid; 3-[(4-Dimethylamino-1-naphthyl)azo]-4-methoxybenzenesulfonic Acid; C.I. 18050; Acid Orange 63; Benzenesulfonic acid, 3-[(4-(dimethylamino)-1-naphthalenyl)azo]-4-methoxy-; 4-Methoxy-3-[(4-(dimethylamino)-1-naphthyl)azo]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 3(4-Dimethylamino-1-Naphthylazo)-4-Methoxybenzenesulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (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.