Description

Sodium 3-[(8-Amino-2-Hydroxy-1-Naphthyl)Azo]-5-Chloro-2-Hydroxybenzenesulphonate is a high-purity azo dye intermediate and specialty chemical compound, identified by CAS NO 94159-95-2. It is valued for its precise molecular structure which provides consistent colorant properties and reactivity in advanced synthesis processes. This product is essential for manufacturers in the dye and pigment industries, as well as for research and development in fine chemical synthesis.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of high-performance, complex azo dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific shades and enhanced light or wash fastness.
• Biological Staining Agent: Potential application in the formulation of histological stains for microscopy and diagnostic purposes.
• Chemical Research & Development: Serves as a reagent in organic synthesis for developing novel chromophores and functional materials.
• Analytical Chemistry: May be employed as a colorimetric indicator or a standard in analytical methods.
• Functional Material Synthesis: Used in the development of materials for sensors or optoelectronic applications due to its conjugated azo structure.

Basic Information

Product Name	Sodium 3-[(8-Amino-2-Hydroxy-1-Naphthyl)Azo]-5-Chloro-2-Hydroxybenzenesulphonate
CAS No.	94159-95-2
Molecular Formula	C16H10ClN3NaO6S
Molecular Weight	430.77 g/mol
Synonyms	Benzenesulfonic acid, 3-[(8-amino-2-hydroxy-1-naphthalenyl)azo]-5-chloro-2-hydroxy-, monosodium salt; C.I. 37155; Sodium 5-chloro-2-hydroxy-3-[(8-amino-2-hydroxy-1-naphthyl)azo]benzenesulphonate; 5-Chloro-2-hydroxy-3-[(8-amino-2-hydroxy-1-naphthyl)azo]benzenesulfonic acid sodium salt; Azo dye intermediate 94159-95-2; 1-Naphthalenesulfonic acid derivative
EINECS	Contact for details

Quality Control

Our production of Sodium 3-[(8-Amino-2-Hydroxy-1-Naphthyl)Azo]-5-Chloro-2-Hydroxybenzenesulphonate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet exacting standards. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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