Description

Sodium Hydrogen 6-(Acetylmethylamino)-4-Hydroxy-3-[(3-Phosphonatophenyl)Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate characterized by its phosphonated aromatic structure. This compound is valued for its ability to impart color and functional properties in advanced material formulations, offering excellent chelating capabilities and thermal stability. It is primarily utilized by manufacturers in the specialty dyes and pigments, textile processing, and functional polymer industries seeking consistent performance and reliable supply.

Application

• Specialty Dye Manufacturing: A key chromophore intermediate for producing high-value, light-fast azo dyes and pigments.
• Textile Processing: Used in dyeing and printing processes for synthetic and natural fibers, where its phosphonate group enhances fiber affinity.
• Functional Polymer Additive: Imparts color and can act as a metal-chelating agent in polymer matrices for specialized plastics and coatings.
• Analytical Reagent: Serves as a colorimetric indicator or complexing agent in specific laboratory and analytical chemistry applications.
• Ink Formulation: Employed in the production of specialty inks, including inks for textiles and security printing, due to its color strength and solubility.
• Research & Development: A valuable building block for synthesizing novel organic compounds and materials in academic and industrial R&D settings.

Basic Information

Item	Detail
Product Name	Sodium Hydrogen 6-(Acetylmethylamino)-4-Hydroxy-3-[(3-Phosphonatophenyl)Azo]Naphthalene-2-Sulphonate
CAS No.	68133-28-8
Molecular Formula	C19H16N3NaO9PS
Molecular Weight	540.37 g/mol
Synonyms	6-(Acetylmethylamino)-4-hydroxy-3-[(3-phosphonatophenyl)azo]naphthalene-2-sulphonic acid, sodium salt; Azo dye intermediate 68133-28-8; Phosphonated azo dye; Sodium 6-(N-acetyl-N-methylamino)-4-hydroxy-3-[(3-phosphonophenyl)azo]-2-naphthalenesulfonate; C.I. Acid Red 337 (related); Mordant dye intermediate; 3-[(3-Phosphonophenyl)azo]-4-hydroxy-6-[(N-methylacetamido)]-2-naphthalenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium Hydrogen 6-(Acetylmethylamino)-4-Hydroxy-3-[(3-Phosphonatophenyl)Azo]Naphthalene-2-Sulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency meet the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing specific batch results are available upon request.

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 each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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