Description

Sodium 3-[[2-(Acetamino)-4-[[4-(2-Hydroxybutoxy)Phenyl]Azo]Phenyl]Azo] Benzenesulfonate is a high-purity, water-soluble azo dye intermediate designed for specialized industrial synthesis. This compound matters for its role as a critical building block in the production of advanced colorants, offering consistent reactivity and purity for reliable downstream processing. It is primarily needed by manufacturers in the textile, ink, and specialty chemical sectors seeking to develop high-performance dyes and pigments with specific chromatic and fastness properties.

Application

• As a key intermediate in the synthesis of azo disperse dyes and reactive dyes for textile fibers, particularly polyesters and nylons.
• In the manufacturing of specialty inks, including those for digital textile printing and high-resolution imaging.
• For research and development of novel functional colorants with potential applications in electronics or sensors.
• As a precursor in the production of pigments for plastics, coatings, and masterbatches.
• In the fine chemical industry for custom synthesis projects requiring a specific, sulfonated azo compound structure.

Basic Information

Product Name	Sodium 3-[[2-(Acetamino)-4-[[4-(2-Hydroxybutoxy)Phenyl]Azo]Phenyl]Azo] Benzenesulfonate
CAS No.	147703-65-9
Molecular Formula	C30H28N6NaO6S
Molecular Weight	623.63 g/mol
Synonyms	Benzenesulfonic acid, 3-[[2-(acetylamino)-4-[[4-(2-hydroxybutoxy)phenyl]azo]phenyl]azo]-, sodium salt; Sodium 3-((2-acetamido-4-((4-(2-hydroxybutoxy)phenyl)diazenyl)phenyl)diazenyl)benzenesulfonate; Azo dye intermediate 147703-65-9; Disperse dye intermediate; Reactive dye precursor; Sulfonated azo compound; C.I. Disperse Yellow (related derivatives)
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to stringent Good Manufacturing Practice (GMP) guidelines to ensure batch-to-batch consistency. Quality is verified through comprehensive analytical methods including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container must be kept tightly closed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 20.0%
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.