Description

2,7-Naphthalenedisulfonic Acid, 4-Amino-6-4-4-(2,4-Diaminophenyl)Azophenylaminosulfonylphenylazo-5-Hydroxy-3-(4-Nitrophenyl)Azo-, Lithium Salt is a complex, high-purity lithium salt of a polyazo dye intermediate. This compound is valued for its precise chemical structure, which provides excellent chromophoric properties and stability in demanding formulations. It is primarily utilized by manufacturers in the specialty dyes and pigments industry, as well as in advanced material science research for optical applications.

Application

• Specialty Dye Manufacturing: A key intermediate for producing high-performance, complex azo dyes with specific color shades and fastness properties.
• Textile Colorants: Used in the synthesis of dyes for synthetic fibers requiring excellent light and wash fastness.
• Inkjet Inks: Serves as a precursor for advanced pigment-based inks, contributing to color vibrancy and stability.
• Optical Data Storage Materials: Potential application in the research and development of materials for optical media due to its light-absorbing characteristics.
• Analytical Chemistry: May be employed as a reagent or standard in chromatographic analysis and method development for similar compounds.
• Functional Polymer Synthesis: Can be incorporated into polymers to impart specific optical or electronic properties.

Basic Information

Item	Details
Product Name	2,7-Naphthalenedisulfonic Acid, 4-Amino-6-4-4-(2,4-Diaminophenyl)Azophenylaminosulfonylphenylazo-5-Hydroxy-3-(4-Nitrophenyl)Azo-, Lithium Salt
CAS No.	102082-94-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Acid Black 210; Lithium Salt of C.I. Acid Black 210; Acid Black 210 Lithium Salt; 4-Amino-6-[4-[4-(2,4-diaminophenyl)azo]phenylsulfonylphenyl]azo-5-hydroxy-3-(4-nitrophenyl)azo-2,7-naphthalenedisulfonic acid lithium salt; Polyazo dye intermediate lithium salt; Black 210 Li salt; Textile dye intermediate
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems. Every batch is subjected to rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (or as per customer grade)
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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