Description

1,3,5-Naphthalenetrisulfonic Acid, 7-[[4-Amino-2-[(5-Chloro- 2-Fluoro-6-Methyl-4-Pyrimidinyl)Amino]-5-Sulfophenyl ]Azo]-, Tetrasodium Salt is a high-purity, water-soluble azo dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which imparts specific chromophoric and functional properties critical for advanced applications. It is primarily required by manufacturers in the specialty dyes and pigments, textile chemicals, and advanced material research sectors seeking consistent quality and reliable supply chains.

Application

• Key Intermediate for Reactive Dyes: Serves as a critical building block in the synthesis of high-performance reactive dyes for cotton and other cellulosic fibers.
• Textile Colorant Production: Used in manufacturing dyes that offer excellent wash-fastness and brightness for the textile industry.
• Functional Dye Synthesis: A precursor for creating specialized dyes used in ink-jet printing, leather coloring, and paper coloration.
• Biochemical Staining: Potential application as a staining agent or probe in biochemical and histological research due to its azo chromophore.
• Material Science Research: Investigated for use in the development of dye-sensitized solar cells (DSSCs) and other photonic materials.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic and spectroscopic method development.

Basic Information

Product Name	1,3,5-Naphthalenetrisulfonic Acid, 7-[[4-Amino-2-[(5-Chloro- 2-Fluoro-6-Methyl-4-Pyrimidinyl)Amino]-5-Sulfophenyl ]Azo]-, Tetrasodium Salt
CAS No.	75198-88-8
Molecular Formula	C25H14ClFN7Na4O12S4 (or corresponding acid form)
Molecular Weight	Contact for details
Synonyms	Tetrasodium 7-[[4-amino-2-[(5-chloro-2-fluoro-6-methyl-4-pyrimidinyl)amino]-5-sulfophenyl]azo]-1,3,5-naphthalenetrisulfonate
Reactive Dye Intermediate 75198-88-8
Acid Black 210 (related class)
Naphthalene trisulfonic acid azo pyrimidine derivative
CI 41225 (if applicable)
7-[(7-Amino-1-hydroxy-3-sulfo-2-naphthyl)azo]-1,3,5-naphthalenetrisulfonic acid tetrasodium salt (variant)
Contact for additional trade names and identifiers.
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Quality is verified through advanced 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 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of moisture. Store away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	Min. 95% (Typical 97-99%)
Water Content	Max. 5.0%
Heavy Metals (as Pb)	Max. 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.