Description

Tetrasodium 7-[[6-[[4-Chloro-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Naphthalene-1,3,6-Trisulphonate is a high-purity, water-soluble anionic dye intermediate belonging to the class of reactive dyes. This compound is engineered for exceptional color strength and stability, serving as a critical building block in the synthesis of high-performance dyes and pigments. It is primarily sought after by manufacturers in the textile, leather, and specialty ink industries for producing vibrant, wash-fast colors.

Application

• Primary Intermediate for Reactive Dyes: Key precursor in the manufacturing of high-quality reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Dyeing and Printing: Used to produce dyes that offer excellent fixation, brightness, and wet-fastness properties in textile applications.
• Leather Coloring: Employed in the synthesis of dyes for leather finishing, providing rich and durable coloration.
• Specialty Ink Formulation: A component in the production of inks for digital textile printing and other high-performance printing applications.
• Paper Dyeing: Used in the manufacture of dyes for coloring paper products where high color yield is required.
• Research & Development: Serves as a standard or experimental compound in R&D labs for developing new colorants and studying dye chemistry.

Basic Information

Product Name	Tetrasodium 7-[[6-[[4-Chloro-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Naphthalene-1,3,6-Trisulphonate
CAS No.	85959-00-8
Molecular Formula	C35H19ClN7Na4O16S4
Molecular Weight	1080.24 g/mol (Approx.)
Synonyms	Reactive Black 5 Intermediate; C.I. Reactive Black 5 Tetrasodium Salt; Tetrasodium 4-Amino-5-hydroxy-6-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthyl]azo]naphthalene-1,3,7-trisulfonate (related isomer); 7-[[6-[[4-Chloro-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-1,3,6-naphthalenetrisulfonic acid tetrasodium salt; Reactive Dye Intermediate 85959-00-8; Azo Triazine Dye Intermediate
EINECS	Contact for details

Quality Control

Our Tetrasodium 7-[[6-[[4-Chloro-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Naphthalene-1,3,6-Trisulphonate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for dye intermediate applications. A Certificate of Analysis (COA) detailing batch-specific results is provided to guarantee consistency, reliability, and traceability for our industrial partners.

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). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90% (Dye Content)
Moisture Content	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	7.0 - 9.0

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