Description

5-(Acetylamino)-4-Hydroxy-3-[[4-(Phenylamino)Phenyl]Azo]-2,7-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, water-soluble azo dye intermediate essential for producing vibrant and stable colorants. This compound matters for its role as a key precursor in synthesizing specialized dyes and pigments, offering excellent chromophore properties and batch-to-batch consistency. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking reliable intermediates for high-performance color applications.

Application

• Primary Intermediate for Azo Dyes: Serves as a critical building block in the synthesis of acid dyes and direct dyes for textile fibers like nylon, silk, and wool.
• Specialty Ink Formulations: Used in the production of pigments for inks requiring specific color fastness and solubility properties.
• Laboratory Reagent: Employed in research and development for studying azo coupling reactions and dye chemistry.
• Functional Colorant Production: A precursor for creating colorants with potential applications in biological staining or analytical indicators.
• Industrial Pigment Synthesis: Utilized in the manufacture of complex organic pigments for plastics and coatings.

Basic Information

Item	Detail
Product Name	5-(Acetylamino)-4-Hydroxy-3-[[4-(Phenylamino)Phenyl]Azo]-2,7-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	6358-41-4
Molecular Formula	C24H18N4Na2O8S2
Molecular Weight	600.53 g/mol
Synonyms	Acid Black 107; C.I. 15711; 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-((4-(phenylamino)phenyl)azo)-, disodium salt; 5-Acetamido-4-hydroxy-3-(4-(phenylamino)phenyl)azo)naphthalene-2,7-disulfonic acid disodium salt; 5-Acetylamino-4-hydroxy-3-[2-[4-(phenylamino)phenyl]hydrazinylidene]naphthalene-2,7-disulfonic acid disodium salt; Azoic Diazo Component 48; Disodium 5-acetamido-4-hydroxy-3-((4-(phenylamino)phenyl)diazenyl)naphthalene-2,7-disulfonate
EINECS	228-781-3

Quality Control

Our 5-(Acetylamino)-4-Hydroxy-3-[[4-(Phenylamino)Phenyl]Azo]-2,7-Naphthalenedisulfonic Acid Disodium Salt undergoes rigorous quality testing to ensure compliance with industry standards for dye intermediates. Each batch is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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 to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, complete solution

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