Description

4-((E)-2-[(2-Hydroxyethyl)Sulfanyl]Diazenyl)Benzenecarboxylic Acid is a specialized azo dye intermediate characterized by its unique molecular structure incorporating a carboxylic acid group and a hydroxythioether-substituted diazenyl moiety. This compound is valued for its role as a versatile building block in the synthesis of high-performance, functional dyes and pigments. It is primarily sought by manufacturers in the textile, ink, and advanced materials sectors who require precise chemical intermediates for developing products with specific colorimetric and stability properties.

Application

• Dye and Pigment Synthesis: A key precursor for manufacturing azo dyes used in textile coloring, leather finishing, and ink formulations.
• Functional Material Production: Used in the development of colorants for plastics, coatings, and specialty polymers requiring enhanced light or thermal stability.
• Research & Development: Serves as a critical intermediate in organic synthesis and chemical research for novel chromophore development.
• Photographic and Imaging Chemicals: Potential application in the synthesis of light-sensitive compounds for specialized imaging technologies.
• Analytical Reagents: Can be utilized as a reagent or standard in analytical chemistry for method development and calibration.

Basic Information

Product Name	4-((E)-2-[(2-Hydroxyethyl)Sulfanyl]Diazenyl)Benzenecarboxylic Acid
CAS No.	331837-01-5
Molecular Formula	C9H10N2O3S
Molecular Weight	226.25 g/mol
Synonyms	4-[(E)-2-(2-Hydroxyethylsulfanyl)diazen-1-yl]benzoic acid; Benzoic acid, 4-[(E)-2-[(2-hydroxyethyl)thio]diazenyl]-; 4-(2-(2-Hydroxyethylthio)diazenyl)benzoic acid; 4-[(E)-2-(2-Hydroxyethylthio)diazenyl]benzoic acid; Azo dye intermediate CAS 331837-01-5; Light-sensitive azo carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 4-((E)-2-[(2-Hydroxyethyl)Sulfanyl]Diazenyl)Benzenecarboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets precise customer specifications and consistent batch-to-batch reliability. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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