Description

2,5-Dichloro-4-[[2-(Dibutylamino)-4-Methyl-6-[[2-(4-Sulphophenyl)Ethyl]Amino]-5-Pyrimidinyl]Azo]Benzenesulphonic Acid, Sodium Salt is a high-purity, water-soluble anionic azo dye intermediate of significant commercial importance. Its complex molecular structure, featuring a pyrimidine core and multiple sulphonic acid groups, provides excellent chromophoric properties and affinity for various substrates. This compound is essential for manufacturers requiring precise color development and stable dye formulations in industrial applications.

Application

• Primary Intermediate for Reactive Dyes: Key building block in the synthesis of high-performance reactive dyes for cotton, wool, and nylon textiles.
• Paper Coloring Agent: Used in the production of specialty dyes for high-quality paper and packaging materials.
• Inkjet Ink Formulations: Provides vibrant and lightfast colors in industrial and commercial printing inks.
• Leather Dyeing: Employed in the formulation of dyes for uniform and durable coloring of leather goods.
• Research & Development: Serves as a critical reference standard and starting material in the R&D of novel chromophores and functional dyes.
• Specialty Pigment Synthesis: Used in the manufacture of complex organic pigments for plastics and coatings.

Basic Information

Product Name	2,5-Dichloro-4-[[2-(Dibutylamino)-4-Methyl-6-[[2-(4-Sulphophenyl)Ethyl]Amino]-5-Pyrimidinyl]Azo]Benzenesulphonic Acid, Sodium Salt
CAS No.	84962-50-5
Molecular Formula	C33H41Cl2N7O6S2Na
Molecular Weight	789.73 g/mol
Synonyms	Sodium 2,5-dichloro-4-{[2-(dibutylamino)-4-methyl-6-({2-[4-(sulfo)phenyl]ethyl}amino)pyrimidin-5-yl]diazenyl}benzenesulfonate; C.I. Reactive Yellow 107; Reactive Yellow 107; 84962-50-5; Benzenesulfonic acid, 2,5-dichloro-4-[[2-(dibutylamino)-4-methyl-6-[[2-(4-sulfophenyl)ethyl]amino]-5-pyrimidinyl]azo]-, sodium salt; Azo dye intermediate PY-107; 5-Pyrimidinyl azo benzenesulphonic acid derivative
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment to guarantee traceability and support your quality assurance protocols.

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 after opening to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 5.0%
Solubility (in Water)	Clear solution at 1%
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.