Description

Sodium 3-[[4-[[4-(2-Hydroxybutoxy)-3-Methylphenyl]Azo]-3-Methoxyphenyl]Azo]Benzenesulphonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart vibrant and stable coloration in advanced material formulations. It is primarily utilized by manufacturers in the textile, ink, and specialty polymer industries seeking consistent and reliable dye precursors.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Key component in the production of colorants for textile fibers, including nylon, polyester, and acetate.
• Used in formulating specialized inks for printing and packaging applications.
• Employed as a coloring agent in the manufacture of plastics and polymers.
• Potential use in the development of functional dyes for non-textile applications such as lasers or sensors.
• Applicable in research and development for novel chromophoric systems.

Basic Information

Product Name	Sodium 3-[[4-[[4-(2-Hydroxybutoxy)-3-Methylphenyl]Azo]-3-Methoxyphenyl]Azo]Benzenesulphonate
CAS No.	51418-90-7
Molecular Formula	C30H29N4NaO7S
Molecular Weight	612.63 g/mol
Synonyms	Benzenesulfonic acid, 3-[[4-[[4-(2-hydroxybutoxy)-3-methylphenyl]azo]-3-methoxyphenyl]azo]-, sodium salt; Sodium 3,3'-((4-(2-hydroxybutoxy)-3-methylphenyl)diazenyl)bis(4-methoxybenzenesulfonate); C.I. Disperse Yellow 114 (related); Azo dye intermediate 51418-90-7; 3,3'-((4-(2-Hydroxybutoxy)-3-methylphenyl)diazenyl)bis(4-methoxybenzenesulfonic acid) sodium salt
EINECS	Contact for details

Quality Control

Our production of this azo intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent internal specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance processes.

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	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in water, DMF; slightly soluble in ethanol

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