Description

Disodium 8-(Phenylamino)-5-[[4-[(6-Sulphonato-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonate 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 who require consistent quality and reliable supply chains for their production processes.

Application

• Textile Dyeing: As a key intermediate for synthesizing high-performance acid dyes and direct dyes for nylon, wool, silk, and other protein fibers.
• Ink Manufacturing: Used in the production of pigments for inks, including those for packaging, security printing, and digital applications.
• Specialty Coatings: Serves as a colorant precursor in coatings for plastics, papers, and other substrates requiring specific hue and lightfastness properties.
• Leather Finishing: Employed in the formulation of dyes for leather goods to achieve deep, uniform colors.
• Biological Staining: Potential use as an intermediate for histochemical stains and indicators in laboratory settings.
• Research & Development: Utilized as a standard or building block in chemical research for developing new chromophores and functional materials.

Basic Information

Product Name	Disodium 8-(Phenylamino)-5-[[4-[(6-Sulphonato-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonate
CAS No.	93783-12-1
Molecular Formula	C38H24N6Na2O7S2
Molecular Weight	786.72 g/mol
Synonyms	Acid Black 210; C.I. 300310; Disodium 8-anilino-5-[4-[(6-sulfo-1-naphthyl)azo]-1-naphthyl]azo]naphthalene-1-sulfonate; 8-(Phenylamino)-5-[[4-[(6-sulphonato-1-naphthyl)azo]-1-naphthyl]azo]naphthalene-1-sulphonic acid disodium salt; 1,5-Naphthalenedisulfonic acid, 8-(phenylamino)-5-((4-((6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, disodium salt; C.I. Acid Black 210; Azo dye intermediate 93783-12-1
EINECS	Contact for details

Quality Control

Our production of Disodium 8-(Phenylamino)-5-[[4-[(6-Sulphonato-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced techniques like HPLC and spectrophotometry to confirm identity, strength, and impurity profiles. Certificates of Analysis (COA) documenting all critical quality attributes are provided with each 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product performance.

Specification

Item	Specification
Appearance	Dark blue to black powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Freely soluble
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.