Description

4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphophenyl)-1H-Pyrazole-3-Carboxylic Acid, Potassium Sodium Salt is a high-purity, water-soluble reactive dye intermediate essential for creating vibrant and wash-fast colors. Its core value lies in its ability to form covalent bonds with cellulose fibers, ensuring superior colorfastness and durability in demanding applications. This compound is primarily needed by manufacturers in the textile, leather, and specialty paper industries for producing high-performance dyes and pigments.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality reactive dyes used in cotton, viscose, and other cellulose fiber dyeing and printing.
• Textile Industry: Imparts excellent wash, light, and rubbing fastness properties to dyed fabrics, making it ideal for high-end apparel and home textiles.
• Leather Coloring: Used in the formulation of dyes for leather goods, providing deep, uniform, and durable coloration.
• Paper Dyeing: Employed in the production of specialty and colored papers where consistent and bright hues are required.
• Ink Formulation: Serves as a colorant component in certain types of inks, particularly where water solubility and stability are needed.
• Research & Development: Utilized in chemical research for developing new chromophores and studying azo-triazine dye chemistry.

Basic Information

Product Name	4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphophenyl)-1H-Pyrazole-3-Carboxylic Acid, Potassium Sodium Salt
CAS No.	85631-78-3
Molecular Formula	C20H10Cl2KN8NaO10S2
Molecular Weight	723.46 g/mol
Synonyms	Reactive Dye Intermediate 85631-78-3; Potassium Sodium Salt of C.I. Reactive Orange 13; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-1-(4-sulfophenyl)-, potassium sodium salt; C.I. 18270; Reactive Orange 13; 4-[[5-[(4,6-Dichloro-s-triazin-2-yl)amino]-2-sulfophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid potassium sodium salt
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high chemical purity. The material is characterized using advanced analytical techniques including HPLC, IR spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Solubility in Water	Freely soluble

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