Description

1,5-Naphthalenedisulfonic acid, 2-6-4-chloro-6-3-4-chloro-6-6-(1,5-disulfo-2-naphthalenyl)azo-5-hydroxy-1,7-disulfo-2-naphthalenylamino-1,3,5-triazin-2-ylaminophenylmethylmethylamino-1,3,5-triazin-2-ylamino-1-hydroxy-3,5-disulfo-2-naphthalenylazo-, sodium is a complex, high-purity synthetic dye intermediate and specialty chemical. Its value lies in its precise molecular structure, which is engineered for high-performance colorant and functional material applications. This compound is essential for manufacturers in the textile, ink, and advanced materials sectors who require consistent, high-quality intermediates for producing vibrant and stable dyes and pigments.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for cotton and other cellulosic fibers, offering excellent wash and light fastness.
• Specialty Ink Formulations: Used in the production of high-performance inks for digital textile printing and security printing applications.
• Functional Dye Synthesis: Serves as a precursor for functional dyes used in optical data storage, liquid crystal displays (LCDs), and laser applications.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in color chemistry.
• Analytical Chemistry Reagent: Can be utilized as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Product Name	1,5-Naphthalenedisulfonic acid, 2-6-4-chloro-6-3-4-chloro-6-6-(1,5-disulfo-2-naphthalenyl)azo-5-hydroxy-1,7-disulfo-2-naphthalenylamino-1,3,5-triazin-2-ylaminophenylmethylmethylamino-1,3,5-triazin-2-ylamino-1-hydroxy-3,5-disulfo-2-naphthalenylazo-, sodium
CAS No.	148878-21-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 5 (sodium salt); Reactive Black 5; Remazol Black B; Lanasol Black B; Drimarene Black B; Sumifix Supra Black B; Levafix Black EB; Sodium 4-amino-6-[4-[(2,4-disulfo-1-naphthyl)azo]-7-sulfo-1-naphthylamino]-1,3,5-triazin-2-ylamino]-5-hydroxy-6-(2-methylphenylmethylamino)-1,3,5-triazin-2-ylamino]-2,7-naphthalenedisulfonate (related structural descriptions)
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	Max. 20 ppm
pH (1% Solution)	6.0 - 8.0

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