Description

7-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulphophenyl)Azo]Naphthalene-2-Sulphonic Acid, Sodium Salt is a high-purity, synthetic organic dye intermediate of significant commercial importance. This compound is valued for its precise chemical structure, which imparts specific colorant properties essential for advanced applications. It is primarily required by manufacturers in the dye and pigment industries, as well as by research institutions developing new functional materials.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-performance reactive dyes for textiles, particularly for cotton and cellulose fibers.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific hue and stability.
• Research & Development: Serves as a critical reagent in academic and industrial R&D for developing novel chromophores and functional dyes.
• Analytical Chemistry: Can be utilized as a standard or reagent in colorimetric analysis and diagnostic applications.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to introduce specific azo and heterocyclic functionalities.

Basic Information

Product Name	7-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulphophenyl)Azo]Naphthalene-2-Sulphonic Acid, Sodium Salt
CAS No.	85391-83-9
Molecular Formula	C22H13ClF2N6O7S2Na
Molecular Weight	637.94 g/mol
Synonyms	Sodium 7-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-4-hydroxy-3-[(4-methoxy-2-sulfophenyl)diazenyl]naphthalene-2-sulfonate; C.I. Reactive Orange 107 (related dye class); Azo dye intermediate based on chlorodifluoropyrimidine; 5-Chloro-2,6-difluoropyrimidin-4-yl azo dye acid sodium salt; Reactive dye precursor; 85391-83-9 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, NMR, 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 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 after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
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.