Description

5-[(3-Carboxy-5-Methyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)(2,6-Dichloro-4-Sulphophenyl)Methyl]-3-Methylsalicylic Acid, Sodium Salt is a high-purity, synthetic organic compound primarily utilized as a key intermediate in the production of specialized dyes and pigments. Its complex molecular structure provides unique chromophoric properties essential for achieving vibrant and stable colors. This chemical is critical for manufacturers in the dyestuff, ink, and specialty coatings industries who require consistent quality and reliable supply for their formulations.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of high-performance azo and anthraquinone-based dyes.
• Textile Colorants: Used in manufacturing dyes for coloring natural and synthetic fibers, offering good wash and light fastness.
• Ink Formulations: Serves as a key component in producing colorants for industrial printing and packaging inks.
• Specialty Coatings: Employed in the development of colored coatings and paints where specific hue and stability are required.
• Research & Development: Used in chemical research for developing novel chromophores and studying structure-color relationships.
• Analytical Reagents: Potential use as a staining agent or indicator in specific analytical chemistry applications.

Basic Information

Product Name	5-[(3-Carboxy-5-Methyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)(2,6-Dichloro-4-Sulphophenyl)Methyl]-3-Methylsalicylic Acid, Sodium Salt
CAS No.	93917-98-7
Molecular Formula	C23H15Cl2NaO8S
Molecular Weight	545.32 g/mol
Synonyms	Sodium 5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-4-sulfophenyl)methyl]-3-methylsalicylate; 3-Methylsalicylic Acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-4-sulfophenyl)methyl]-, Sodium Salt; C.I. Mordant Yellow 5; Acid Yellow 99; Mordant Yellow 5; 5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-4-sulfophenyl)methyl]-3-methylsalicylic Acid Sodium Salt; 93917-98-7 (CAS)
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against stringent in-house specifications using advanced techniques like HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH Guidelines

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