Description

6-Acetamido-4-Hydroxy-3-[[4-[[2-(Phosphonooxy)Ethyl]Sulphonyl]Phenyl]Azo]Naphthalene-2-Sulphonic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate characterized by its complex molecular structure incorporating sulphonic acid, phosphonooxy, and azo functional groups. This compound is engineered to provide exceptional performance as a key precursor in the synthesis of specialized dyes and pigments, offering superior color strength and stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for developing advanced coloring agents with specific technical properties.

Application

This specialized intermediate is designed for high-value applications where precise molecular structure dictates performance. Its primary uses include:

• Precursor for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for cotton and other cellulosic fibers.
• Specialty Ink Formulations: Used in the production of pigments for inks requiring specific lightfastness and chemical resistance, such as those for security printing or textile inks.
• Functional Dye Synthesis: Serves as an intermediate for creating dyes used in biological staining, pH indicators, or other analytical applications.
• Research & Development: Employed in chemical R&D for studying azo dye chemistry and developing novel chromophores with unique properties.

Basic Information

Product Name	6-Acetamido-4-Hydroxy-3-[[4-[[2-(Phosphonooxy)Ethyl]Sulphonyl]Phenyl]Azo]Naphthalene-2-Sulphonic Acid, Sodium Salt
CAS No.	94109-41-8
Molecular Formula	C20H17N4O11S2Na
Molecular Weight	584.48 g/mol
Synonyms	Sodium 6-acetamido-4-hydroxy-3-[[4-[(2-sulphooxyethyl)sulphonyl]phenyl]azo]naphthalene-2-sulphonate; 6-Acetamido-4-hydroxy-2,7-naphthalenedisulfonic acid, 3-[[4-[(2-sulfoxyethyl)sulfonyl]phenyl]azo]-, sodium salt; Reactive Dye Intermediate 94109-41-8; Azo Dye Intermediate with Phosphonate Ester; C.I. Reactive Orange 107 intermediate (related); 3-[[4-[[2-(Phosphonooxy)ethyl]sulphonyl]phenyl]azo]-6-acetamido-4-hydroxynaphthalene-2-sulphonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation. Certificates of Analysis (COA) detailing all critical parameters are provided and 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Brown to dark brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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