Description

6-[4-[[4-[(4-Ethoxy-3-Sulphophenyl)Methylamino]Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Naphthalene-2-Sulphonic Acid is a high-purity, functionalized organic compound featuring a complex pyrazolone-naphthalene sulfonic acid structure. This compound matters as a key advanced intermediate for synthesizing specialized dyes and functional materials, offering precise molecular architecture for demanding applications. It is primarily needed by manufacturers in the fine chemicals, specialty dyes, and advanced material research sectors seeking to develop products with specific optical or chemical properties.

Application

• Synthesis of Reactive and Acid Dyes: Serves as a critical chromophore intermediate for producing high-value, color-fast dyes for textiles and leather.
• Functional Material Precursor: Used in the research and development of organic electronic materials, nonlinear optical (NLO) materials, and sensor components.
• Biochemical Research: Potential use as a building block or tagging agent in the synthesis of specialized probes or pharmaceutical intermediates.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic methods or spectroscopic analysis due to its distinct structure.
• Photographic and Imaging Chemicals: Can be utilized in the formulation of advanced color couplers or light-sensitive agents.
• Custom Synthesis & Contract Manufacturing: A vital intermediate for custom chemical synthesis services catering to niche industrial and research needs.

Basic Information

Item	Details
Product Name	6-[4-[[4-[(4-Ethoxy-3-Sulphophenyl)Methylamino]Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Naphthalene-2-Sulphonic Acid
CAS No.	94158-29-9
Molecular Formula	C30H27N3O7S2
Molecular Weight	605.68 g/mol
Synonyms	6-[4-[[4-[(4-Ethoxy-3-sulfophenyl)methylamino]phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]naphthalene-2-sulfonic acid; 1H-Pyrazole-1-acetic acid, 4,5-dihydro-5-oxo-4-[[4-[(4-ethoxy-3-sulfophenyl)methylamino]phenyl]methylene]-3-methyl-, 2-naphthalenesulfonate (1:1); Acid Yellow 219 (C.I. 18995); C.I. Acid Yellow 219; Lanasyn Yellow 2GL; Supranol Yellow 4GL; Acid Yellow 4GL; Pyrazolone-based acid dye intermediate.
EINECS	Contact for details

Quality Control

Our production of 6-[4-[[4-[(4-Ethoxy-3-Sulphophenyl)Methylamino]Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Naphthalene-2-Sulphonic Acid adheres to a stringent quality management system. 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) detailing all critical parameters are provided with every shipment.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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