Description

2-Naphthalenesulfonic Acid, 7-(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino-4-Hydroxy-3-4-2-(Sulfooxy)Ethylsulfonylphenylazo-, Disodium Salt is a high-purity, reactive dye intermediate and chemical building block of significant industrial importance. This compound is valued for its ability to form stable covalent bonds with substrates, making it a critical component in the synthesis of high-performance dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries who require consistent quality and reliable supply for their production processes.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality, wash-fast reactive dyes used in textile coloring, particularly for cotton and cellulose fibers.
• Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics, where color strength and stability are paramount.
• Biomolecule Labeling: Acts as a reactive linker or label in biochemical research and diagnostic assay development due to its triazine-based reactive group.
• Functional Material Production: Employed in the synthesis of functional polymers and materials where sulfonic acid groups impart solubility or ionic character.
• Analytical Chemistry: May serve as a standard or reagent in chromatographic analysis and quality control within chemical manufacturing.

Basic Information

Item	Detail
Product Name	2-Naphthalenesulfonic Acid, 7-(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino-4-Hydroxy-3-4-2-(Sulfooxy)Ethylsulfonylphenylazo-, Disodium Salt
CAS No.	129009-88-7
Molecular Formula	C21H14Cl2N6Na2O11S3
Molecular Weight	787.44 g/mol
Synonyms	Reactive Black 5 Analog Intermediate; Disodium 7-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[4-[2-(sulfonatooxy)ethylsulfonyl]phenyl]azo]naphthalene-2-sulfonate; C.I. Reactive Black 5 related compound; Triazine reactive dye intermediate; 2-Naphthalenesulfonic acid, 7-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[[4-[2-(sulfooxy)ethylsulfonyl]phenyl]azo]-, disodium salt; Azo-triazine dye intermediate; Sulfonated azo-triazine compound
EINECS	Contact for details

Quality Control

Our production of this chemical intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Every lot undergoes comprehensive analysis, including HPLC for purity and identity confirmation, to meet the stringent requirements of industrial synthesis. A detailed Certificate of Analysis (COA) documenting all critical parameters is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled 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 stability and performance.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95.0%
Water Content (KF)	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.