Description

4-[(2-Bromo-4,5-Dihydroxyphenyl)Azo]Benzenesulfonic Acid Sodium Salt is a specialized azo dye intermediate and analytical reagent. This compound is valued for its precise chromophoric structure, which is critical for producing consistent and vibrant colorants. It is primarily utilized by manufacturers in the dyes and pigments, analytical chemistry, and specialty chemical synthesis sectors who require high-purity intermediates for quality-sensitive applications.

Application

• Precursor for High-Performance Dyes and Pigments: Serves as a key intermediate in the synthesis of azo dyes for textiles, inks, and coatings.
• Analytical Reagent: Used in laboratory settings as a chromogenic agent for the detection and quantification of specific metal ions or biomolecules.
• Research & Development: Employed in chemical research for developing new colorants, sensors, or functional materials.
• Specialty Chemical Synthesis: Acts as a building block for synthesizing more complex molecules in pharmaceutical or agrochemical research.
• Indicator Manufacturing: Potential use in the formulation of pH or other chemical indicators.

Basic Information

Product Name	4-[(2-Bromo-4,5-Dihydroxyphenyl)Azo]Benzenesulfonic Acid Sodium Salt
CAS No.	31165-25-0
Molecular Formula	C12H8BrN2NaO5S
Molecular Weight	403.17 g/mol
Synonyms	Benzenesulfonic acid, 4-[(2-bromo-4,5-dihydroxyphenyl)azo]-, sodium salt; Sodium 4-[(2-bromo-4,5-dihydroxyphenyl)azo]benzenesulfonate; 2-Bromo-4,5-dihydroxyazobenzene-4'-sulfonic acid sodium salt; Azo dye intermediate 31165-25-0; 4-(2-Bromo-4,5-dihydroxy-phenylazo)-benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of 4-[(2-Bromo-4,5-Dihydroxyphenyl)Azo]Benzenesulfonic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specification parameters is provided with each shipment to guarantee compliance with your technical requirements.

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 sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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