Description

Sodium 6-Amino-4-Hydroxy-5-[[2-(Phenoxysulphonyl)Phenyl]Azo]Naphthalene-2-Sulphonate is a specialized, high-purity azo dye intermediate and chemical building block. This compound is valued for its precise molecular structure, which is critical for synthesizing high-performance dyes and pigments with specific color and fastness properties. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and stable colorants.

Application

• Primary Intermediate for Azo Dyes: A key precursor in the synthesis of high-value, complex azo dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Used in the production of pigments for high-quality inks, including printing inks and coatings.
• Functional Dye Synthesis: Serves as a building block for dyes used in non-textile applications, such as liquid crystal displays (LCDs) and other optoelectronic materials.
• Research & Development: Employed in chemical R&D laboratories for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: Can be utilized as a reagent or standard in analytical methods for dye identification and quantification.

Basic Information

Product Name	Sodium 6-Amino-4-Hydroxy-5-[[2-(Phenoxysulphonyl)Phenyl]Azo]Naphthalene-2-Sulphonate
CAS No.	70209-95-9
Molecular Formula	C22H15N3Na2O8S2
Molecular Weight	583.48 g/mol
Synonyms	6-Amino-4-hydroxy-5-[(2-(phenoxysulfonyl)phenyl)azo]naphthalene-2-sulfonic acid disodium salt; C.I. 27290; Acid Red 399; Sodium 6-amino-4-hydroxy-5-[(2-(phenoxysulfonyl)phenyl)azo]-2-naphthalenesulfonate; 5-[[2-(Phenoxysulfonyl)phenyl]azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid disodium salt; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[[2-(phenoxysulfonyl)phenyl]azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our Sodium 6-Amino-4-Hydroxy-5-[[2-(Phenoxysulphonyl)Phenyl]Azo]Naphthalene-2-Sulphonate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC and spectrophotometric methods, to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each 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 sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

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.