Description

4-Amino-3-[4-(5-Chloro-2-Fluoro-6-Methylpyrimidin-4-Ylamino)Phenylazo]-6-[2,5-Bis(Sodiosulfo)Phenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, complex azo dye intermediate designed for advanced chemical synthesis. This compound is critical for producing specialized dyes and pigments with enhanced color fastness and specific optical properties. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for developing high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: Synthesis of high-grade reactive dyes for cotton and cellulose fiber dyeing.
• Specialty Pigment Production: Manufacturing of complex organic pigments for inks, coatings, and plastics requiring specific hue and stability.
• Functional Dye Synthesis: Key building block for dyes used in non-textile applications, such as sensitizers for dye-sensitized solar cells (DSSCs) or laser dyes.
• Research & Development: Serves as a precise chemical reagent in academic and industrial R&D for novel chromophore development.
• Fine Chemical Synthesis: Used in the multi-step synthesis of other advanced chemical entities in pharmaceutical or agrochemical research.

Basic Information

Product Name	4-Amino-3-[4-(5-Chloro-2-Fluoro-6-Methylpyrimidin-4-Ylamino)Phenylazo]-6-[2,5-Bis(Sodiosulfo)Phenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	75198-91-3
Molecular Formula	C27H18ClF1N8Na4O14S4
Molecular Weight	~1003.1 g/mol (Contact for exact details)
Synonyms	4-Amino-3-[4-(5-chloro-2-fluoro-6-methylpyrimidin-4-ylamino)phenylazo]-6-[2,5-disulfophenylazo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt; C.I. Reactive Orange 107 (related class); Complex Azo Dye Intermediate 75198-91-3; Disodium 4-amino-3-[[4-[(5-chloro-2-fluoro-6-methyl-4-pyrimidinyl)amino]phenyl]azo]-6-[(2,5-disulfophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonate; Reactive Dye Intermediate Orange; 75198-91-3 (CAS Name Base); Trisulfonated Azo Pyrimidine Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance systems.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
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.