Description

Benzenesulfonic Acid, 2,2-(1,2-Ethenediyl)Bis5-(4-Hydroxyphenyl)Azo-, Lithium Sodium Salt is a specialized azo dye intermediate and functional chemical compound. This product is valued for its precise chemical structure, which imparts specific chromophoric and complexing properties essential for advanced material synthesis. It is primarily required by manufacturers in the dyes and pigments, specialty polymers, and analytical reagent sectors seeking high-purity intermediates for consistent performance.

Application

• Primary Intermediate for Azo Dyes and Pigments: Used in the synthesis of high-performance dyes for textiles, inks, and plastics.
• Functional Monomer for Specialty Polymers: Serves as a building block for polymers requiring specific light-absorption or ionic characteristics.
• Analytical Chemistry Reagent: Employed as a complexing agent or indicator in specific spectrophotometric methods.
• Research & Development: Utilized in academic and industrial R&D for developing new colorants and functional materials.
• Photographic and Imaging Chemicals: Potential application in non-silver halide photographic systems or light-sensitive layers.
• Liquid Crystal Display (LCD) Materials: Can be investigated as a component in dye-based color filters or alignment layers.

Basic Information

Product Name	Benzenesulfonic Acid, 2,2-(1,2-Ethenediyl)Bis5-(4-Hydroxyphenyl)Azo-, Lithium Sodium Salt
CAS No.	110152-63-1
Molecular Formula	C26H18LiN4NaO8S2 (Contact for exact stoichiometry)
Molecular Weight	Contact for details
Synonyms	2,2'-(1,2-Ethenediyl)bis[5-(4-hydroxyphenyl)azo]benzenesulfonic acid lithium sodium salt; Lithium sodium 2,2'-(ethene-1,2-diyl)bis[5-[(4-hydroxyphenyl)diazenyl]benzenesulfonate]; Azo dye intermediate 110152-63-1; Bis-azo benzenesulfonate salt; Direct Orange 26 lithium sodium salt variant; CI 29150 lithium sodium salt; 4,4'-(Diazen-1,2-diyl)diphenol coupled bis-azo sulfonate salt
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonic Acid, 2,2-(1,2-Ethenediyl)Bis5-(4-Hydroxyphenyl)Azo-, Lithium Sodium Salt adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity, spectrophotometry for color value, and elemental analysis, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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 tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95% (Contact for higher grades)
Loss on Drying	Max. 2.0%
Heavy Metals (as Pb)	Max. 20 ppm
Residual Solvents	Meets ICH guidelines
λmax (UV-Vis)	Contact for details

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