Description

4-[[4-[(4-Amino-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-2,6-Disulphonic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its value lies in its complex molecular structure, which serves as a critical building block for synthesizing specialized dyes and pigments with enhanced color fastness and specific optical properties. This compound is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking to produce high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key precursor in the synthesis of complex, high-molecular-weight azo dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific shades, high thermal stability, and excellent lightfastness for plastics and coatings.
• Functional Dye Synthesis: A building block for creating dyes with specialized applications, such as laser dyes, optical data storage materials, and non-linear optical materials.
• Research & Development: Employed in chemical R&D for studying azo coupling reactions and developing novel chromophores with unique properties.
• Inkjet Ink Formulations: Can be utilized in the development of advanced inkjet inks where specific color properties and solubility are required.

Basic Information

Product Name	4-[[4-[(4-Amino-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-2,6-Disulphonic Acid, Sodium Salt
CAS No.	85283-74-5
Molecular Formula	C30H19N5O6S2Na2 or related sodium salt form
Molecular Weight	Contact for details
Synonyms	2,6-Naphthalenedisulfonic acid, 4-[[4-[(4-amino-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, sodium salt (1:2); Disodium 4-[[4-[(4-aminonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-2,6-disulfonate; Azo dye intermediate 85283-74-5; Trisazo dye intermediate; Acid Black 210 intermediate (related); C.I. 30030 (related structure); Sodium 4-[[4-[(4-amino-1-naphthyl)azo]-1-naphthyl]azo]naphthalene-2,6-disulphonate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95% (Typical 97-99%)
Water Content	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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