Description

7-[4-[4-(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl) Phenylazo]-o-Tolylazo]Naphthalene-1,3,5- Trisulfonic Acid, Potassium And Sodium Salts (1:2) is a high-purity, complex anionic dye intermediate, also known as a reactive dye precursor. This compound is engineered to deliver exceptional color strength and covalent bonding properties with cellulose and polyamide fibers. It is primarily required by manufacturers in the textile, specialty ink, and leather processing industries for producing vibrant, wash-fast colors.

Application

• Primary Intermediate for Reactive Dyes: Key building block for synthesizing high-performance reactive dyes used in cotton, viscose, and other cellulose fiber dyeing and printing.
• Textile Colorant Production: Manufacture of dyes offering excellent fastness properties, including wash, light, and rub fastness, for the textile industry.
• Leather Dyeing: Used in the formulation of dyes for coloring leather goods, providing deep, penetrating shades.
• Specialty Ink Formulation: Component in the production of inks for jet printing, packaging, and other applications requiring specific chromatic properties.
• Research & Development: Serves as a critical reagent in chemical R&D for developing new chromophores and functional dyes.
• Paper Coloring: Potential use in the manufacture of dyes for specialty paper products.

Basic Information

Item	Detail
Product Name	7-[4-[4-(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl) Phenylazo]-o-Tolylazo]Naphthalene-1,3,5- Trisulfonic Acid, Potassium And Sodium Salts (1:2)
CAS No.	125358-42-1
Molecular Formula	C26H16ClN9O9S3 · 2K · Na
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 125358-42-1; Trisulfonated Azo Triazine Dye Precursor; C.I. Reactive Red 198 Intermediate; 4-Amino-6-chloro-1,3,5-triazin-2-yl azo dye salt; Potassium sodium 7-[4-[4-(4-amino-6-chloro-1,3,5-triazin-2-yl)phenylazo]-2-methylphenylazo]naphthalene-1,3,5-trisulfonate
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise compositional specifications. A Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment to guarantee consistency and performance in your downstream synthesis.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.