Description

Sodium 2-[[3-[(3-Amino-4-Nitrophenyl)Azo]-2,4-Dihydroxyphenyl]Azo]-5-Nitrobenzenesulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its primary value lies in its role as a key precursor for synthesizing specialized dyes and pigments, particularly those requiring specific color fastness and stability properties. This compound is essential for manufacturers in the textile, leather, and specialty ink industries seeking to produce high-performance colorants.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile dyeing and printing.
• Key component in the production of leather dyes, offering good penetration and color yield.
• Used in the formulation of specialized inks, including those for security printing and high-performance markers.
• Intermediate for research and development of novel functional dyes with potential applications in optics and electronics.
• Potential use as a biological stain or histochemical reagent in laboratory settings.
• Starting material for colorants used in the paper and pulp industry.

Basic Information

Product Name	Sodium 2-[[3-[(3-Amino-4-Nitrophenyl)Azo]-2,4-Dihydroxyphenyl]Azo]-5-Nitrobenzenesulphonate
CAS No.	84099-99-0
Molecular Formula	C18H11N7NaO9S
Molecular Weight	532.38 g/mol
Synonyms	Benzenesulfonic acid, 2-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-5-nitro-, sodium salt; C.I. 37020; Sodium 2,2'-(3,3'-dihydroxy-4,4'-dinitroazobenzene-5,5'-diyl)disulphonate; Acid Black 107; Azo dye intermediate 84099-99-0; 5-Nitro-2-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 2-[[3-[(3-Amino-4-Nitrophenyl)Azo]-2,4-Dihydroxyphenyl]Azo]-5-Nitrobenzenesulphonate is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity suitable for industrial synthesis. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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