Description

4-Hydroxy-3-[[2-Methoxy-4-(n-Methylamino)Phenyl]Azo]Benzenesulphonic Acid is a specialized azo dye intermediate with a distinct molecular structure. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering excellent color properties and stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles and fabrics.
• Key precursor for manufacturing specialty inks, including those used in printing and packaging.
• Used in the production of colorants for plastics and polymeric materials.
• Research and development of novel functional dyes for non-textile applications.
• Potential use in the formulation of biological stains and histological dyes for laboratory use.
• Intermediate for sensitizing dyes in photographic and imaging technologies.

Basic Information

Product Name	4-Hydroxy-3-[[2-Methoxy-4-(n-Methylamino)Phenyl]Azo]Benzenesulphonic Acid
CAS No.	87730-54-9
Molecular Formula	C14H15N3O5S
Molecular Weight	337.35 g/mol
Synonyms	Benzenesulfonic acid, 4-hydroxy-3-[[2-methoxy-4-(methylamino)phenyl]azo]-; 4-Hydroxy-3-[(2-methoxy-4-(methylamino)phenyl)azo]benzenesulfonic acid; C.I. 18050; Acid Orange 86 intermediate; Azo dye intermediate OA-86; 2-Methoxy-4-(methylamino)azobenzene-4'-sulfonic acid; 4-[(2-Methoxy-4-(methylamino)phenyl)azo]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-3-[[2-Methoxy-4-(n-Methylamino)Phenyl]Azo]Benzenesulphonic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability. The material is manufactured under a cGMP-compliant quality management system. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every shipment.

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 strong acids and organic solvents. The container must be kept tightly sealed to protect the contents from moisture.

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%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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