Description

4-[[5-[[4-chloro-6-[(4-sulphophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid, sodium salt is a high-purity, water-soluble reactive dye intermediate. This compound is valued for its role in synthesizing brilliant and wash-fast dyes, particularly in the yellow to orange color spectrum. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries for producing high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: Key building block for manufacturing high-quality reactive dyes used in cotton, viscose, and other cellulosic fiber dyeing and printing.
• Textile Industry: Enables the production of dyes with excellent color yield, brightness, and superior wet-fastness properties for textiles.
• Ink Formulation: Used in the synthesis of pigments and dyes for specialty inks, including inks for digital textile printing.
• Leather Coloring: Serves as an intermediate for dyes applied in the leather tanning and finishing industry.
• Paper Coloring: Employed in the production of dyes for high-grade paper and specialty paper products.
• Research & Development: Utilized in chemical R&D labs for developing novel chromophores and studying azo dye chemistry.

Basic Information

Item	Details
Product Name	4-[[5-[[4-chloro-6-[(4-sulphophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid, sodium salt
CAS No.	94006-24-3
Molecular Formula	C26H16ClN9Na3O12S3
Molecular Weight	872.08 g/mol
Synonyms	Reactive Yellow 95 (Parent Dye); C.I. Reactive Yellow 95; Sodium 4-[[5-[[4-chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylate; Reactive Yellow 95 intermediate; Azo pyrazolone triazine derivative; Sulfonated azo dye intermediate; 94006-24-3 (CAS)
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet customer specifications. Certificates of Analysis (COA) detailing batch-specific results are provided and 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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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