Description

6-Acetylamino-5-(4-Hexanoylamino-2-Sulfophenylazo)-4-Hydroxy-2-Naphthalenesulfonic Acid Disodium Salt is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its value lies in its role as a key precursor for synthesizing specialized, high-performance dyes and pigments, particularly those requiring specific color fastness and solubility profiles. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced colorants.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile coloration.
• Key precursor in the production of specialty inks, including those for digital and industrial printing applications.
• Used in the manufacture of colorants for plastics and polymers to achieve specific hues and stability.
• Research and development of novel functional dyes for non-textile applications, such as in analytical chemistry or sensors.
• Potential use in the synthesis of biological stains and histological dyes for laboratory use.

Basic Information

Product Name	6-Acetylamino-5-(4-Hexanoylamino-2-Sulfophenylazo)-4-Hydroxy-2-Naphthalenesulfonic Acid Disodium Salt
CAS No.	117046-38-5
Molecular Formula	C24H24N4Na2O9S2
Molecular Weight	638.57 g/mol
Synonyms	Acid Red 337 (related dye class); Disodium 6-acetamido-5-[4-(hexanoylamino)-2-sulfophenyl]azo-4-hydroxy-2-naphthalenesulfonate; C.I. 17200; Azo dye intermediate 117046-38-5; 2-Naphthalenesulfonic acid, 6-(acetylamino)-5-[[4-[(1-oxohexyl)amino]-2-sulfophenyl]azo]-4-hydroxy-, disodium salt; 6-Acetamido-5-(4-hexanamido-2-sulfophenylazo)-4-hydroxy-2-naphthalenesulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our production of 6-Acetylamino-5-(4-Hexanoylamino-2-Sulfophenylazo)-4-Hydroxy-2-Naphthalenesulfonic Acid Disodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a dye intermediate. Comprehensive Certificates of Analysis (COA) detailing identity, assay, and impurity profiles 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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