Description

(3Z)-3-[[4-[4-(2,4-Diamino-5-Methyl-Phenyl)Diazenyl-3-Methyl-2-Sulfo-Phenyl]Diazenylphenyl]Hydrazinylidene]-6-Oxo-Cyclohexa-1,4-Diene-1-Carboxylic Acid is a complex, high-purity azo dye intermediate characterized by its precise molecular structure. This compound matters as a critical building block for synthesizing specialized dyes and pigments, offering excellent color strength and stability in final formulations. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key precursor in the synthesis of high-value, complex azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics requiring specific color fastness and thermal stability.
• Research & Development: Employed in chemical R&D for developing novel chromophores and functional dyes with tailored optical properties.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and spectroscopic studies of dye compounds.

Basic Information

Item	Details
Product Name	(3Z)-3-[[4-[4-(2,4-Diamino-5-Methyl-Phenyl)Diazenyl-3-Methyl-2-Sulfo-Phenyl]Diazenylphenyl]Hydrazinylidene]-6-Oxo-Cyclohexa-1,4-Diene-1-Carboxylic Acid
CAS No.	6330-91-2
Molecular Formula	C27H23N7O5S
Molecular Weight	557.58 g/mol
Synonyms	Acid Orange 61; C.I. 18965; 2-Naphthalenecarboxylic acid, 4-[[4-[(2,4-diamino-5-methylphenyl)azo]-3-methyl-5-sulfophenyl]azo]-3-hydroxy-; 3-Hydroxy-4-{[4-({4-[(2,4-diamino-5-methylphenyl)diazenyl]-3-methyl-5-sulfophenyl}diazenyl)phenyl]hydrazono}-4,5-dihydro-2H-pyran-2,6(3H)-dione; 6330-91-2; Azo dye intermediate OA-61
EINECS	Contact for details

Quality Control

Our production of (3Z)-3-[[4-[4-(2,4-Diamino-5-Methyl-Phenyl)Diazenyl-3-Methyl-2-Sulfo-Phenyl]Diazenylphenyl]Hydrazinylidene]-6-Oxo-Cyclohexa-1,4-Diene-1-Carboxylic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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