Description

2-[(3,5-Dibromopyridin-2-Yl)Azo]-5-[Ethyl(2-Hydroxy-3-Sulfopropyl)Amino]Benzoic Acid is a high-purity, functionalized azo dye intermediate with a complex heterocyclic structure. This compound matters for its role as a critical precursor in synthesizing specialized dyes and pigments, offering unique color properties and binding characteristics. Industrial users in the fine chemical, advanced material, and research sectors need it for developing products with specific chromatic and functional performance.

Application

• Specialized Dye & Pigment Synthesis: A key intermediate for producing high-performance azo dyes used in textiles, inks, and coatings.
• Analytical Chemistry Reagent: Utilized as a chromogenic agent or complexometric indicator in specific spectrophotometric analyses.
• Functional Material Research: Serves as a building block in the development of novel organic semiconductors or light-harvesting materials.
• Biochemical Staining: Potential application in the formulation of specialized histological or cytological stains for microscopy.
• Photographic Sensitizers: Used in research and development of advanced photographic and imaging chemicals.
• Polymer Modification: Acts as a functional monomer or additive to impart color or alter the surface properties of polymers.

Basic Information

Product Name	2-[(3,5-Dibromopyridin-2-Yl)Azo]-5-[Ethyl(2-Hydroxy-3-Sulfopropyl)Amino]Benzoic Acid
CAS No.	102387-13-3
Molecular Formula	C₁₇H₁₇Br₂N₅O₅S
Molecular Weight	547.22 g/mol
Synonyms	5-[Ethyl(2-hydroxy-3-sulfopropyl)amino]-2-[(3,5-dibromo-2-pyridinyl)azo]benzoic acid; 2-[(3,5-Dibromo-2-pyridinyl)azo]-5-[N-ethyl-N-(2-hydroxy-3-sulfopropyl)amino]benzoic acid; Azo dye intermediate 102387-13-3; Benzoic acid, 5-[ethyl(2-hydroxy-3-sulfopropyl)amino]-2-[(3,5-dibromo-2-pyridinyl)azo]-; DBPA-Sulfopropyl Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of 2-[(3,5-Dibromopyridin-2-Yl)Azo]-5-[Ethyl(2-Hydroxy-3-Sulfopropyl)Amino]Benzoic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and 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 (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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