Description

Benzoic Acid, 5-4-4-1-Amino-8-Hydroxy-7-(Phenylazo)-3,6-Disulfo-2-Naphthalenylazophenylaminocarbonylaminophenylazo-2-Hydroxy-, Trisodium Salt is a high-purity, water-soluble azo dye intermediate with a complex, polyfunctional structure. This compound is engineered for precise colorant synthesis, offering excellent coupling reactivity and batch-to-batch consistency critical for industrial processes. It is primarily utilized by manufacturers in the specialty dyes and pigments sector, serving as a key building block for producing high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a crucial precursor in the synthesis of complex, high-value azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific shades, brightness, and fastness properties.
• Functional Dye Synthesis: Applicable in creating dyes for non-textile uses, such as inks, coatings, and plastics, where its sulfonate groups enhance solubility.
• Research & Development: Employed in chemical R&D labs for developing novel chromophores and studying dye chemistry.
• Analytical Reagent: Can be used as a standard or reagent in analytical chemistry for colorimetric methods.

Basic Information

Item	Details
Product Name	Benzoic Acid, 5-4-4-1-Amino-8-Hydroxy-7-(Phenylazo)-3,6-Disulfo-2-Naphthalenylazophenylaminocarbonylaminophenylazo-2-Hydroxy-, Trisodium Salt
CAS No.	112673-71-9
Molecular Formula	C40H26N8Na3O14S3 (Tentative - Contact for details)
Molecular Weight	Contact for details
Synonyms	5-[(4-[(4-Amino-8-hydroxy-7-(phenylazo)-3,6-disulfo-2-naphthalenyl)azo]phenyl)carbamoylamino]-2-hydroxybenzoic acid, trisodium salt; Trisodium 5-[(4-[(4-amino-8-hydroxy-7-(phenylazo)-3,6-disulfo-2-naphthyl)azo]phenyl)ureido]-2-hydroxybenzoate; Azo dye intermediate CAS 112673-71-9; Benzoic acid derivative azo dye; Complex sulfonated azo compound; Acid Black 210 (related dye structure); Polyfunctional azo dye intermediate.
EINECS	Contact for details

Quality Control

Our Benzoic Acid derivative is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectrophotometric analysis for color strength and hue consistency, ensuring it meets precise customer specifications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee supply reliability and technical compliance.

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 sealed to prevent absorption of atmospheric moisture, which can affect product performance and handling.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Sulfated Ash	Contact for details
Heavy Metals	Max. 20 ppm
Solubility (Water)	Freely soluble

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