Description

3-[[4-[[4-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]-7-Sulpho-1-Naphthyl]Azo]-1-Naphthyl]Azo]Naphthalene-1,5-Disulphonic Acid, Sodium Salt is a high-purity, polyazo naphthalene sulfonic acid derivative, valued for its exceptional chromophoric properties and water solubility. This compound serves as a critical advanced intermediate for synthesizing high-performance dyes and pigments, offering excellent lightfastness and color strength. It is primarily sought by manufacturers in the specialty chemicals sector for producing textile dyes, inks, and functional colorants where precise molecular structure is paramount for performance.

Application

• Primary Intermediate for Reactive Dyes: Key building block in the synthesis of high-grade reactive dyes for cotton and cellulose fibers.
• Manufacture of Acid Dyes: Used in the production of acid dyes for wool, silk, and nylon, providing vibrant and wash-fast colors.
• Specialty Ink Formulations: A crucial component in creating high-performance inks for digital textile printing and security printing applications.
• Functional Pigment Synthesis: Serves as an intermediate for pigments used in plastics, coatings, and advanced materials requiring specific optical properties.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: Can be employed as a staining agent or a complexometric indicator in specific analytical methodologies.

Basic Information

Product Name	3-[[4-[[4-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]-7-Sulpho-1-Naphthyl]Azo]-1-Naphthyl]Azo]Naphthalene-1,5-Disulphonic Acid, Sodium Salt
CAS No.	85750-04-5
Molecular Formula	C40H23N7O13S4 • xNa
Molecular Weight	Contact for details
Synonyms	Acid Black 210; C.I. 300317; 1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-7-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, sodium salt; Trisazo dye intermediate; Polyazo naphthalene sulfonate; Sodium 3-{[4-({4-[(6-amino-1-hydroxy-3-sulfonaphthalen-2-yl)diazenyl]-7-sulfonaphthalen-1-yl}diazenyl)naphthalen-1-yl]diazenyl}naphthalene-1,5-disulfonate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing specific results for assay, impurity profile, and other critical parameters is provided with every shipment to support your quality assurance protocols.

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 strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	Max. 20 ppm
Solubility (in Water)	Freely soluble

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