Description

2,7-Naphthalenedisulfonic Acid, 4-Amino-6-5-(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino-2-Sulfophenylazo-3-(2,5-Disulfophenyl)Azo-5-Hydroxy-, Lithium Sodium Salt is a high-purity, water-soluble reactive dye intermediate of significant industrial importance. This compound is engineered to provide exceptional color strength and binding properties in advanced dyeing processes. It is primarily required by manufacturers in the textile, specialty ink, and high-performance pigment industries for producing vibrant and durable colors.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-grade reactive dyes for cotton, wool, and nylon fibers.
• Textile Coloration: Used in the production of dyes that offer excellent wash-fastness and light-fastness for the textile industry.
• Specialty Ink Formulation: Employed in creating high-performance inks for digital textile printing and other demanding applications.
• Functional Pigment Production: Serves as a precursor for complex organic pigments used in coatings and plastics.
• Research & Development: Utilized in chemical research for developing new chromophores and advanced coloring agents.
• Leather Dyeing: Applied in the formulation of dyes for the leather processing industry.
• Paper Coloring: Used in the manufacture of dyes for specialty paper products.

Basic Information

Item	Detail
Product Name	2,7-Naphthalenedisulfonic Acid, 4-Amino-6-5-(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino-2-Sulfophenylazo-3-(2,5-Disulfophenyl)Azo-5-Hydroxy-, Lithium Sodium Salt
CAS No.	155522-15-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 5, Lithium Sodium Salt; Reactive Black 5 Li/Na Salt; 4-Amino-5-hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic Acid Lithium Sodium Complex; Reactive Dye Intermediate 155522-15-9; Triazinyl Azo Dye Intermediate; Naphthalene-based Reactive Dye Precursor
EINECS	Contact for details

Quality Control

Our production of 2,7-Naphthalenedisulfonic Acid, 4-Amino-6-5-(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino-2-Sulfophenylazo-3-(2,5-Disulfophenyl)Azo-5-Hydroxy-, Lithium Sodium Salt adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for industrial applications. All materials are subjected to rigorous analytical testing, including HPLC for purity and spectrophotometry for color value assessment. Certificates of Analysis (COA) documenting key specifications are available upon request 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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark blue to black powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Completely soluble
Ash Content	Contact for details
Heavy Metals	Contact for details

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