Description

6-Chloro-n-(7-(2,4-Dinitrophenylazo)-8-Hydroxy-6-Sulfo-2-Naphthyl)-N'-(5,7-Disulfo-2-Naphthyl)-1,3,5-Triazine-2,4-Diamine is a high-purity, complex triazine-based dye intermediate. This compound is valued for its role in synthesizing specialized, high-performance dyes and pigments, particularly those requiring excellent lightfastness and color strength. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking to produce vivid and durable colorants.

Application

• Textile Dyeing: A key intermediate for the synthesis of reactive and direct dyes used on cotton, wool, and nylon fibers.
• Ink Formulation: Used in the production of high-quality pigments for printing inks, including those for packaging and security printing.
• Specialty Coatings: Serves as a precursor for colorants in industrial and automotive coatings requiring enhanced durability.
• Research & Development: Employed in chemical research for developing novel chromophores and functional dyes.
• Paper Coloring: Can be used in the manufacture of dyes for high-grade paper products.
• Leather Finishing: Applied in the synthesis of dyes for coloring leather goods.

Basic Information

Product Name	6-Chloro-n-(7-(2,4-Dinitrophenylazo)-8-Hydroxy-6-Sulfo-2-Naphthyl)-N'-(5,7-Disulfo-2-Naphthyl)-1,3,5-Triazine-2,4-Diamine
CAS No.	138272-10-3
Molecular Formula	C31H16ClN9O14S3
Molecular Weight	902.10 g/mol
Synonyms	6-Chloro-N2-[7-[(2,4-dinitrophenyl)azo]-8-hydroxy-6-sulfo-2-naphthyl]-N4-(5,7-disulfo-2-naphthyl)-1,3,5-triazine-2,4-diamine; C.I. Reactive Black 5 Intermediate; Triazine Black Dye Intermediate; Reactive Dye Intermediate; 1,3,5-Triazine-2,4-diamine, 6-chloro-N-[7-[(2,4-dinitrophenyl)azo]-8-hydroxy-6-sulfo-2-naphthalenyl]-N'-(5,7-disulfo-2-naphthalenyl)-
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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