Description

5-Amino-3-[[4-[5-[(8-Amino-1-Hydroxy-3,6-Disulpho-2-Naphthyl)Azo]-1H-Benzimidazol-2-Yl]Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonic Acid, Sodium Salt is a high-purity, complex azo dye intermediate designed for advanced chemical synthesis. This compound is valued for its precise molecular structure, which serves as a critical building block for creating specialized dyes and pigments with enhanced color fastness and specific optical properties. It is primarily sought by manufacturers in the fine chemicals, specialty dyes, and advanced materials sectors for research and production.

Application

• Primary Intermediate for High-Performance Dyes: A key precursor in the synthesis of specialized azo dyes for textiles, leather, and paper.
• Functional Pigment Synthesis: Used in the development of pigments requiring specific light absorption and stability characteristics.
• Research & Development: Serves as a valuable reagent in chemical R&D for exploring new chromophores and dye structures.
• Analytical Chemistry: Can be utilized as a standard or reagent in colorimetric analysis and detection methods.
• Specialty Inks Formulation: Employed in the production of high-quality inks for niche printing applications.

Basic Information

Product Name	5-Amino-3-[[4-[5-[(8-Amino-1-Hydroxy-3,6-Disulpho-2-Naphthyl)Azo]-1H-Benzimidazol-2-Yl]Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonic Acid, Sodium Salt
CAS No.	94133-89-8
Molecular Formula	C33H22N8O12S4Na2 or related (Contact for details)
Molecular Weight	Contact for details
Synonyms	5-Amino-3-{[4-(5-{[8-amino-1-hydroxy-3,6-disulfo-2-naphthyl]azo}-1H-benzimidazol-2-yl)phenyl]azo}-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt; C.I. 18055; Acid Black 234 (related); Disodium 5-amino-3-{[4-(5-{[8-amino-1-hydroxy-3,6-disulphonato-2-naphthyl]azo}-1H-benzimidazol-2-yl)phenyl]azo}-4-hydroxynaphthalene-2,7-disulphonate; Complex Azo Dye Intermediate 94133-89-8; Benzenesulfonic acid, 5-amino-3-[[4-[5-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthyl)azo]-1H-benzimidazol-2-yl]phenyl]azo]-4-hydroxy-2,7-disulfo-, sodium salt (1:?).
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and titration. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95% (or as per grade)
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals	≤ 20 ppm

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