Description

8-Anilino-5-[[4-[(3-Sulphophenyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonic Acid, Ammonium Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart vivid and stable coloration, making it a critical component in the synthesis of specialized dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries for producing high-performance colorants.

Application

• Textile Dyeing: A key intermediate for synthesizing acid dyes and direct dyes used on nylon, silk, wool, and paper.
• Ink Manufacturing: Used in the production of pigments for inks in packaging, printing, and writing instruments.
• Specialty Coatings: Employed in formulating colorants for industrial and decorative coatings requiring specific hue and lightfastness.
• Biological Staining: Potential use as a staining agent in histological and cytological applications in life sciences.
• Functional Materials: Investigated for use in dye-sensitized solar cells (DSSCs) and other optoelectronic devices.
• Research & Development: Serves as a standard or building block in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	8-Anilino-5-[[4-[(3-Sulphophenyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonic Acid, Ammonium Sodium Salt
CAS No.	83006-77-3
Molecular Formula	C32H23N5O6S2 • xNa • yNH4
Molecular Weight	Contact for details
Synonyms	Acid Black 210; C.I. 28440; 8-Anilino-1-naphthalenesulfonic acid, 5-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, ammonium sodium salt; Ammonium sodium 8-anilino-5-{[4-(3-sulfophenylazo)-1-naphthyl]azo}naphthalene-1-sulfonate; Azo Black SH; Dye Intermediate for Acid Black 210
EINECS	Contact for details

Quality Control

Our production of 8-Anilino-5-[[4-[(3-Sulphophenyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonic Acid, Ammonium Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 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.