Description

1-(2-Methoxy-4-Amino-5-Sulfophenylazo)-2-Hydroxy-6-Sulfonaphthalene is a specialized azo dye intermediate known for its distinct chromophoric structure. This compound is valued for its role in synthesizing high-performance dyes and pigments with excellent color fastness and stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vivid and durable colorants.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile coloring.
• Key component in the production of inks for packaging, printing, and security applications.
• Used in the formulation of specialty colorants for plastics and polymers.
• Potential use as a reagent or analytical standard in chemical research and quality control laboratories.
• Employed in the development of functional dyes for non-textile applications, such as in optical materials.

Basic Information

Product Name	1-(2-Methoxy-4-Amino-5-Sulfophenylazo)-2-Hydroxy-6-Sulfonaphthalene
CAS No.	74526-37-7
Molecular Formula	C₁₇H₁₄N₄O₈S₂
Molecular Weight	466.44 g/mol
Synonyms	Acid Red 299; C.I. 18129; 2-Naphthalenesulfonic acid, 7-[(2-methoxy-5-amino-4-sulfophenyl)azo]-8-hydroxy-; 7-[(2-Methoxy-5-amino-4-sulfophenyl)azo]-8-hydroxy-2-naphthalenesulfonic acid; 1-(2-Methoxy-4-amino-5-sulfophenylazo)-2-naphthol-6-sulfonic acid; Azo dye intermediate 74526-37-7; 2-Hydroxy-6-sulfo-1-(2'-methoxy-4'-amino-5'-sulfophenylazo)naphthalene
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as purity, identity, and impurity profiles to guarantee batch-to-batch consistency and performance in your applications.

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.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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