Description

Benzoic Acid,5-[2-[4-[2-(2,4-Diamino-5-Methylphenyl)Diazenyl]Phenyl]Diazenyl]-2-Hydroxy-,Sodium Salt (1:1) is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its role in producing vibrant and stable colorants, particularly in specialized applications requiring specific chromophoric properties. It is primarily sought by manufacturers in the dye and pigment industries for creating high-performance colorants for textiles, inks, and other specialty materials.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of complex, high-value azo dyes and pigments.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers, offering good wash and light fastness.
• Ink Manufacturing: Employed in formulating specialty inks for packaging, security printing, and digital applications.
• Pigment Production: Acts as a precursor for organic pigments used in plastics, coatings, and paints.
• Research & Development: Utilized in chemical research for developing new chromophores and studying dye chemistry.
• Specialty Colorants: Potential use in niche applications such as color filters, imaging materials, or biological stains.

Basic Information

Item	Detail
Product Name	Benzoic Acid,5-[2-[4-[2-(2,4-Diamino-5-Methylphenyl)Diazenyl]Phenyl]Diazenyl]-2-Hydroxy-,Sodium Salt (1:1)
CAS No.	6300-44-3
Molecular Formula	C20H16N6NaO3
Molecular Weight	411.38 g/mol
Synonyms	Sodium 5-({4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl}diazenyl)-2-hydroxybenzoate; C.I. 37155; Azoic Diazo Component 37; 2-Hydroxy-5-[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]benzoic acid sodium salt; 5-[[4-[(2,4-Diamino-5-methylphenyl)azo]phenyl]azo]salicylic acid sodium salt; Benzoic acid, 5-[2-[4-[2-(2,4-diamino-5-methylphenyl)diazenyl]phenyl]diazenyl]-2-hydroxy-, monosodium salt
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Quality is verified through comprehensive analytical testing including HPLC, spectrophotometry, and wet chemical methods. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance processes.

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 degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines
Related Substances (HPLC)	Total impurities ≤ 2.0%

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