Description

Benzenesulfonic Acid, 4-4-Chloro-6-(Ethylphenylamino)-1,3,5-Triazin-2-Ylamino-2-1-(2-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Ylazo-, Monosodium Salt is a high-value, complex azo dye intermediate and functional chemical. This compound is engineered to provide exceptional chromophoric properties and structural stability, making it a critical component in the synthesis of advanced colorants. It is primarily needed by manufacturers in the specialty dyes and pigments, textile chemicals, and advanced material science sectors seeking to develop high-performance products.

Application

• Primary Intermediate for Reactive and Disperse Dyes: A key building block in the synthesis of high-grade dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments requiring specific lightfastness and thermal stability.
• Functional Dye Synthesis: For creating dyes used in ink-jet inks, LCD color filters, and other high-tech imaging applications.
• Research & Development: Serves as a precursor in academic and industrial R&D for novel chromophores and photoactive materials.
• Fine Chemical Synthesis: Employed as an intermediate in the multi-step synthesis of other complex aromatic compounds.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 4-4-Chloro-6-(Ethylphenylamino)-1,3,5-Triazin-2-Ylamino-2-1-(2-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Ylazo-, Monosodium Salt
CAS No.	136213-75-7
Molecular Formula	C27H22Cl2N9NaO4S
Molecular Weight	Contact for details
Synonyms	Monosodium 4-[[4-chloro-6-(ethylphenylamino)-1,3,5-triazin-2-yl]amino]-2-[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azobenzenesulfonate; Azo Dye Intermediate 136213-75-7; 4-[[4-Chloro-6-(N-ethylanilino)-1,3,5-triazin-2-yl]amino]-2-[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azobenzenesulfonic Acid Sodium Salt; Sodium 4-((4-chloro-6-(ethylphenylamino)-1,3,5-triazin-2-yl)amino)-2-(1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)diazenyl)benzenesulfonate; Reactive Dye Precursor; Benzenesulfonic acid derivative CAS 136213-75-7
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 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.