Description

Ammonium Trisodium 7-[[6-[[4-Chloro-6-(Methylphenylamino)-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 belonging to the reactive dye class, characterized by its complex polyazo and triazine-based structure. This compound is engineered to deliver exceptional color fastness, brightness, and reactivity with cellulosic fibers, making it a critical component for demanding coloration processes. It is primarily required by manufacturers in the textile, leather, and specialty paper industries seeking reliable and consistent dye performance.

Application

• Reactive Dyeing of Cellulosic Fibers: Primary application for dyeing cotton, viscose, rayon, and linen, forming covalent bonds for excellent wash and light fastness.
• Leather Coloring: Used for dyeing leather goods, providing vibrant and durable colors.
• Paper Industry: Employed in the coloration of specialty papers, including decorative and security papers.
• Ink Formulation: A key component in the manufacture of certain types of industrial inks requiring specific color properties and stability.
• Biological Staining: Potential use as a histological stain in laboratory settings due to its specific affinity.
• Research & Development: Serves as a chemical intermediate or reference standard in the synthesis and analysis of complex dye molecules.

Basic Information

Product Name	Ammonium Trisodium 7-[[6-[[4-Chloro-6-(Methylphenylamino)-1,3,5-Triazin-2-Yl]Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Naphthalene-1,3,6-Trisulphonate
CAS No.	75559-05-6
Molecular Formula	C34H22ClN9Na3O13S4 · xNH3
Molecular Weight	~1020.3 (Free acid, approximate)
Synonyms	Reactive Black 5 (Ammonium Salt); C.I. Reactive Black 5; Ammonium salt of Reactive Black 5; 7-[[6-[[4-Chloro-6-[(4-methylphenyl)amino]-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-1,3,6-naphthalenetrisulfonic acid, ammonium sodium salt; Remazol Black B (Ammonium salt); Levafix Black EB (Ammonium salt); Sumifix Black B (Ammonium salt); Dinazol Black BSN
EINECS	Contact for details

Quality Control

Our production of this reactive dye adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance reliability. Every lot is analyzed for critical parameters including color strength, shade, solubility, and reactive group content. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance tests 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Black to Bluish-Black Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 90% (Dye Content)
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 100 g/L (at 25°C)
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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